Use of Visual Aides in the Modern Classroom Essay Example for Free

Use of Visual Aides in the Modern Classroom Essay Visual aides have become important to the learning processes of children in all grades of school. From simple skits to enhanced computer calculations and comparisons, teachers everywhere are learning the power of having their students visualize and take part in what they are expected to learn. This process is a great departure from the classic learning model of reading along and taking notes, so it takes some teachers and faculty a while to accept and learn new styles of teaching. The three articles that I have chosen show the value of visual aides in the classroom, but also note the difficulties of changing long held educational beliefs. â€Å"You Gotta Have Art! †, by Roger Glass and Priscilla Nemeth, describes the impact of visual learning in classes around the United States. For example, in order to visualize â€Å"natural environments found in Florida†, students were prompted to paint a mural on a school wall showing what they had learned in their science class. The mural was a way to learn as well as a point of pride to the children who helped create it (Glass Nemeth, 2003, para. 5). Other schools use â€Å"a print of the city† to teach local history and geography, instead of simply using a plain map. The print allows children to see the buildings and sites that they discuss in class, rather than just have the areas pointed out to them on a basic city map that includes only streets and symbols (Glass Nemeth, 2003, para. 3). The results have been more than anyone could have expected. Attendance and discipline have improved in the schools that promote visuals in the classroom, and scores on standardized tests have risen dramatically (Glass and Nemeth, 2003, para. 2). It is apparent from this article that allowing children to see what is special about a subject, and also take part in projects that they can be proud of, encourages them to come to school interested and ready to learn. â€Å"Talking Science, Modeling Scientists†, by Elizabeth Edmondson, William H. Leonard, Chris Peters, and Anna O. Baldwin, describes a program in place in South Carolina schools that lets the students learn visually in class and then share the knowledge with students in other schools who are learning the same lesson. Students were taught a science unit on electric circuits by such means as â€Å"lighting a bulb with a battery, bulb, and wire, constructing a flashlight using a series or parallel circuit and switch, and designing and wiring a simple cardboard house† (Edmondson, et al. , 2006, p. 29). The learning did not stop there. Students learned to write about what they had visually learned, and then shared the information with student partners over a special system. (Edmondson, et al. , 2006, p. 30). This system allowed students from each school to post questions and answers to each other by means of a dedicated message board (Edmondson, et al, 2006, p. 30). Students were encouraged to â€Å"buddy up† and work on projects together (Edmondson, et al, 2006, p. 30). Also, those having trouble learning were paired with those who had a mastery of the subject, so long distance peer tutoring occurred as well (Edmondson, et al, 2006, pg. 31). Teachers reported that this system of visual and hands on learning much improved the students’ comprehension levels and incidently improved their writing skills due to the reports that they posted (Edmondson, et al. , 2006, p. 31-32). This project not only serves as an interest to children who easily catch on to the lesson, but it also gives them a chance to help fellow students who are struggling. Achievement is possible for all with this method, and it would be especially productive if a â€Å"richer† school district paired up with one that did not have the same luxuries. â€Å"Meet Mr. Shannon†, by Kristin Kearns Jordan, gives a viewpoint from a school in New York that struggles to add visual learning methods to their curriculum. The person in the title, Mr. Frederick Shannon, is considered a â€Å"master teacher† with his own manner of instruction called the â€Å"Shannon Plan† (Jordan, 2003, para. 2). He has used this method of primarily visual learning for twenty-five years, and he helps new teachers put it into place (Jordan, 2003, para. 2). For example, one teacher has picked up the habit of having a student dress as a â€Å"hamburger† to illustrate how a paragraph should be written. The â€Å"bun† simulates a strong opening and closing sentence, and the â€Å"meat† simulates the important information that should be given within the paragraph. She also uses â€Å"hand signals† to teach the components of a plot (Jordan, 2003, para. 4). Unfortunately, this school is plagued by regulations that cause the teachers to have to take classes on theory, which makes them not have time for special learning techniques (Jordan, 2003, para. 56). In this school, visual learning has to fall by the wayside. Considering that children now have to pass competency tests to move to the next grade, and seniors have to pass a graduation exam to receive a diploma, there is often little chance for teachers to vary from the standard program in their classes. It is little wonder that children with no chance for variation from the basic lessons tend to dislike school All three of these articles contain teachers who are ready and willing to use visual learning techniques, but some are much more lucky than others. Consider the South Carolina schools that have an expensive, state of the art visual program, and then think of the New York schools that are so bound in regulation that they can barely manage to fit a few skits in their lessons. Most schools will fall in the middle ground of using art and pictures as visual aides. In every case, though, visual elements enhanced the learning process, which should prove to even the most doubtful person that taking time for special types of learning enhances the educational experience. Notes and readings are not the only way to learn, and our nation’s educational system needs to bear that fact in mind if we are going to produce top caliber graduates.

Washing Machine Embedded System Analysis

Washing Machine Embedded System Analysis In this following assignment we are going to see about the Embedded system and how it is implemented in home application and there is few reference about the language used in the embedded system and there few application of the embedded system. Embedded systems are basic electronic devices used to control, monitor or assist the operation of equipment, machinery or a plant. The choice of word embedded reflects the fact that these are integral part of the system. Uses of embedded system in our real life are increasing day by day. Children need such systems to play video games and to operate chocolate vending machine; Housewives need embedded systems for microwave, TV, music system, and other system appliances. ABOUT EMBEDDED SYSTEM: An embedded device can range from a relatively simple product for ex. a toaster to complex mission critical applications such as those used in avionics. A typical embedded device will have both hardware and software components. The hardware could be micro components such as embedded microprocessor or microcontroller. Microcontroller is relatively small, has an on chip memory, an I/O controller and other supported modules to do processing and controlling tasks. The software consists of applications that perform dedicated tasks and may run on Real time operating system which will be explained later in this unit. Embedded System may be either an independent system or a part of a large system. It is specialized computer system but not a general purpose workstation like a desktop or a computer. Such kind of systems is housed on a single microprocessor board with programs which are stored in ROM (Read Only Memory). Embedded system is usually a compact, portable and mass produced electronic devices. In the early days, embedded systems were designed using microprocessors like 8085. But nowadays, we are using a wide range of processors from other manufacturers. Before we want to the basic of an embedded system, we should see a wide range of its applications. In fact, almost all modern electronic devices use some sort of embedded system technology inside them and we always come across such devices: DVD players, air conditioners, printers, attendance machines, hand phone, digital camera, ATM machines, we will see some examples of embedded system in section 1. Now it is time to give a proper definition. Definition: Embedded Systems are devices which are used to control, monitor or assist the operation of an equipment, machinery or plant. The term control defines the main function of Embedded System because their purpose is to control an aspect of a physical system such as pressure, temperature and so on. Also the term monitor defines the progress of activities. Embedded Systems are extremely common in the home, vehicle and the workplace.  · At Home: Washing Machines, dishwashers, ovens, central heating system, burglars alarms, etc.  · Motor Vehicle: Engine management, security (locking or antitheft devices), air conditioning, brakes, radio etc.  · In Industry Commerce: Machine control, factory automation, robotics, electronic commerce office equipments. IMPLEMENTATION OF EMBEDDED SYSTEM IN WASHING MACHINE: Washing machine supports three functional modes: i) Fully Automatic Mode: In fully automatic mode, once the system is started it perform independently without user interference and after the completion of work it should notify the user about the completion of work. This mode instantaneously sense cloth quality and requirement of water, water temperature, detergent, load, wash cycle time and perform operation accordingly. ii) Semi-Automatic Mode: In this semiautomatic mode in which washing conditions are predefined. Once the predefined mode is started the system perform its job and after completion it inform the user about the completion of work. iii) Manual Mode: In this mode, user has to specify which operation he wants to do and has to provide related information to the control system. For example, if user wants to wash clothes only, he has to choose wash option manually. Then the system ask the user to enter the wash time, amount of water and the load. After these data are entered, the user should start the machine. When the specified operation is completed system should inform the user. Remember that Modes should be a selectable by a keypad. A washing machine may have a System Controller (Brain of the System) which provides the power control for various monitors and pumps and even controls the display that tells us how the wash cycles are proceeding. Driving Motor Water pump System Controller Display Panel Sensor Inverter Unit The working of these components is as follows: i) Display Panel: It is a touch panel screen to control all the operations of a machine ii) Sensor: It measures the water level and appropriate amount of soap. Input devices for automatic washing machine are sensors for water flow, water level and temperature; door switch; selector knob or buttons for settings such as spin speed, temperature, load size and types of wash cycle required. iii)Water Level Sensor: It indicates beep sound when water level is low in washing tub. Door Sensor: It indicates beep sound when all clothes are washed that means now you can open the maching door and also you can move to your next phase. Next phase will be dry Phase. This phase also follows same concept for drying the clothes. iv) Driving Motor: Motor can rotate in two directions either reverse or forward. The forward direction drives the current in forward direction and motor rotates forward. The reverse direction driver does the opposite of it. A washing machine can maintain single motor in fully automatic or double motor in semi-automatic washing machine. Sequence of washing the clothes with this can be explained in few steps as follows: 1) Put on your dirty clothes on to the wash tub for washing 2) Put the detergent Soap (of your choice like Surf n Excel etc.) 3) Put ON the tap, water rushes inside the tub. Embedded Systems 4) If its electronic control , then by the press of the keys ,you could program , if its mechanical it shall something like an mechanical switches wherein you are allowed to operate for setting the wash time. 5) Now the wash motor rotates and washes the clothes and gives you a beep sound 6) Now your clothes are washed à ¢Ã¢â€š ¬Ã‚ ¦remove it from the wash tub and put it on the spin tub and program it accordinglyà ¢Ã¢â€š ¬Ã‚ ¦after spinning clothes are dried and you are allowed to hang it for proper drying in sunlight. The fully automatic also comes in two category front loading as well as top loading. i) Front loading is the one wherein you are given an opening to put clothes in on the front side. ii) Top loading is on the top. iii) System Controller: Such Component is used to control the motor speed. Motor can move in forward direction as well as reverse direction. System Controller reads the speed of motor and controls the speed of motor in different phases such as in Washing, Cleaning Drying etc. All kinds of Sensors such as Door Sensor, Pressure Sensor and Keypad, Speed sensor are also maintained by this. iv) Water Pump: The water pump is used to recirculate water and drain out the dirty water. This pump actually contains two separate pumps inside one: The bottom half of the pump is hooked up to the drain line, while the top half recirculates the wash water. The motor that drives the pump can reverse direction. It spins one way when the washer is running a wash cycle and recirculates the water; and it spins the other way when the washer is doing a spin cycle and draining the water. PROGRAMMING LANGUANGE USED IN EMBEDDED SYSTEM: Embedded systems are application specific computers that interact with the physical world. Each has a diverse set of tasks to perform, and although a very flexible language might be able to handle all of them, instead a variety of problem domain specific languages have evolved that are easier to write, analyze, and compile. The choice of programming language is very important for real time embedded software. The following factors influence the choice of languages: A language compiler should be available for the chosen RTOS (Real Time Operating System) and hardware architecture of the embedded system.  · Compilers should be available on multiple OSs and microprocessors. This is particularly important if the processor or the RTOS needs to be changed in future. The language should allow direct hardware control without sacrificing the advantages of a high level language. The language should provide memory management control such as dynamic and static memory allocation. So, we can categorize embedded programming languages in to two parts such as hardware language and software language. Hardware language: A hardware description language can be used to describe the logic gates, the sequential machines, and the functional modules, along with their interconnection and their control, in a embedded system. There are various languages used for this purpose as follows: VHDL VHDL is the Very High Speed Integrated Circuit Hardware Description Language. It can describe the behavior and structure of electronic systems, but is particularly suited as a language to describe the structure and behavior of digital electronic hardware designs; VHDL is an international standard, regulated by the international languages. VHDL is suitable for use today in the digital hardware design process, from specification through high level functional simulation, manual design and logic synthesis down to gate level simulation. VERILOG Verilog HDL is one of the two most common Hardware Description Languages (HDL) used by integrated circuit (IC) designers. The other one is VHDL. HDL allows the design to be simulated earlier in the design cycle in order to correct errors or experiment with different architectures. Designs described in HDL are technology independent, easy to design and debug, and are usually more readable than schematics, particularly for large circuits. Verilog can be used to describe designs at four levels of abstraction: Algorithmic level (much like, C language code with if, case and loop statements). ii) Register transfer level (RTL uses registers connected by Boolean equations). Gate level (interconnected AND, NOR etc.) Switch level (the switches are MOS transistors inside gates). The language also defines constructs that can be used to control the input and output of simulation. Software language: Java and C++ are other programming languages which are used extensively for embedded system design. APPLICATION OF EMBEDDED SYSTEM: We can categorize applications of Embedded System into various categories as mentioned in Table: Area Applications Aerospace Navigation Systems, Automatic landing systems, Flight altitude controls, engine controls, space exploration Automotive Fuel Injection Control, Passenger environmental controls, antilock braking systems, air bag controls, GPS mapping Communications Switches, Hubs Computer Peripherals Printers, scanners, keyboards, displays, modems, Hard Disk Drives, CDROM drives Home Ovens, Washing Machine, Digital Watch, Security Alarm, Sound Recorder Industrial Elevator Controls, Robots, Engine Control Instrumentation Data Collection, power supplies Medical Imaging Systems, Patient monitors, Heart pacers Office Automation FAX machines, Telephones, Cash Registers CONCLUSION: An embedded system is a single purpose computer built into a larger system for the purposes of controlling and monitoring the system. These are also known as special purpose computer system. In this assignment we came to know how the embedded system is implemented in the home applications and how it is useful for the human beings in a very good manner.

Children and Nature in Poetry

Children and Nature in Poetry In numerous poems during the romantic period the themes are centered on children and nature. The themes are not just about children alone and not just nature but the two subjects together. This is to suggest that children and nature are connected, the two subjects are one. Poets during the romanticism era use the childhood period as sort of a looking glass into nature and its true aspects which seems to get lost once adulthood is reached. The poems in the romantic era are all about trying to regain that innocence that special bond that a child seems to be able to share with nature. Samuel Coleridges poem Frost at Midnight is set in the winter season with him describing his feelings about his infant baby. Coleridge realizes how special his child is and how his child is able to share a connection with nature. A connection, that Coleridge believes that he was deprived of For I was reared/ in the great city, pent mid cloisters dim, and saw naught lovely but the sky and stars(Coleridge 51-53). Coleridge here claims that because he was raised within the city he never was able to create that special bond with nature. Due to this fact he uses his child now as sort of that medium into understanding nature, since he himself lost that time of innocence to the city. Coleridge is pained by his bringing up in the city life and throughout the poem is rejoicing that his child instead will be able to grow in nature. But thou, my babe! Shalt wander like a breeze/ by lakes and sandy shores, beneath the crags/ of ancient mountain, and beneath the clouds.(Coleridge 54-56). The line Shalt wander like a breeze suggest that Coleridge believes that child and nature are one. The child will actually become a part of nature, a breeze and shall wander in nature by the lakes and sandy shores. Coleridge by the end of his poem is still hopeful for his child. That even when his child is grown, will still remember that humans and nature are one, he claims that God will help him maintain this status. Great universal Teacher! He shall mould/ thy spirit, and by giving make it ask. Therefore all seasons shall be sweet to thee.(Coleridge 63-65). Coleridge uses the child in this poem to show that children and nature are one. Through this poem the audience is meant to see that humans and nature are not separate entities but together they act as one single unit. Unfortunately as we leave childhood and begin our journey into adulthood we seem to lose that view of nature and ourselves and begin to see nature separately. Looking next at Wordsworth poem Ode Intimations of immortality from Recollections of Early Childhood Wordsworth also agrees with the Coleridge idea, that children are able to connect with nature. The only difference between the two is that Wordsworth believes that as every child is born, they immediately share a connection with nature and with heaven, that they are born with this connection. Coleridge on the other hand believes that this connection, yes, occurs during the innocent time of childhood but is not one that is guaranteed. For Coleridge this connection must be made, you are not born with it, for he himself says he never had the chance to connect with nature the way his child is able to. Wordsworth in this poem wants the audience to wake up! To see that we have lost our way and have been sleeping, he wants us to return to the mindset of a child There was a to,me when meadow, grove, and stream,/ the earth, and every common sight,/ to me did seem/ appareled in celestial light,/ the glory and the freshness of a dream.(Wordsworth 1-5). Children are the ones who are able to see nature for what is truly is. Heaven lies about is in our infancy!(Wordsworth 66). Unfortunately Wordsworth loses this way of seeing and thinking to the world as he begins to grow. It is not now as it hath been of yore; / turn wheresorer I may/ by night or day,/ the thinks which I have seen I not can see no more. (Wordsworth 5-9). Here Wordsworth is sadden that although he tries to see what he once was able to, he can not. Wordsworth believes that losing this mentality is inevitable. Our birth is but a sleep and a forgetting; Shades of the prison house begin to close/ upon the growing boy.(Wordsworth 58, 67-68). Wordsworth is sadden by this thought that we lose our innocence appreciation for the natural world. Yet he is reminded that he can still be happy for he still has the child and his memories to help connect to nature. Wordsworth uses his experiences and a child to keep him connected and Coleridge uses his infant to keep him connected. This is what it means when Child is the father of man. Of course the child can not care for the man, but still the child has something to offer. Just as a father offers protection and care for a child, the child offers the mindset and lens into the natural world. The child is a reminder that nature and humanity are one; they are intertwined with one another.

Flag Desecration is Freedom of Expression :: Argumentative Persuasive Argument Essays

Flag Desecration is Freedom of Expression Our nation’s flag is an everlasting symbol of freedom and hope that stands as a testament to our nation’s power. Most importantly our flag represents the freedom of the individual to express his ideals as they see fit. Therefore when the very essence of Americans freedom is challenged by the â€Å"flag amendment,† that would forbid the desecration of the American flag, a dilemma forms. While flag burning is highly offensive, it is none the less a means of expression and is protected by the constitution of America. Forbidding an individual from expressing themselves is the opposite of what our flag represents. Even though Flag burning is considered one of the highest displays of hatred toward a country, it is still protected by the first amendment. It is a means of expression. Despite the fact that this sounds a little farfetched, flag desecration is under the same category as art, or literature—expression. When an individual feels dissatisfaction towards his country, depending on the individual, they may write a political satire, draw a political cartoon, or burn the flag. It is all relevant to the level of dissatisfaction of the individual. Flag burning cannot be thought of outside of the spectrum of expression. In some cases flag burning is not even taken seriously by those involved in the act; most cases are considered â€Å"drunken pranks† or merely â€Å"teenage vandalism.† In the entire history of the United States there have been less than two hundred reported cases of flag desecration. In addition to the fact that there is a lack of flag burning in total, flag desecration is on the decline—In 1996 there were 31 reported cases, in 2002 11 cases, in 2003 six cases, and this year so far there has been only one case. The U.S. Supreme Court, the highest court in the judicial system, ruled that â€Å"the government may not prohibit the expression of an idea simply because society finds the idea offensive†¦Ã¢â‚¬  Supporting this amendment debases the ideals of our founding fathers.

Jane Eyre, Hamlet And Keats :: essays research papers fc

  Ã‚  Ã‚  Ã‚  Ã‚   To convey a sense of argument, imagery and perspective, authors use various types of language, syntax and vocabulary to achieve this. An extract from Jane Eyre, by Charlotte Bronte, a soliloquy from Hamlet, by William Shakespeare and Ode to Autumn, by John Keats all have a number of striking similarities between them, as well as a few differences, which will be analysed to show.   Ã‚  Ã‚  Ã‚  Ã‚  Unlike Hamlet and Autumn, the extract from Jane Eyre, doesn’t have any particular argument, but the use of language is similar to that of Keats and to some extent Hamlet. Jane Eyre is a character existing in a narrative in the first person, as is Hamlet in his soliloquy. This brings a sense of identification and realism to the reader, â€Å"I did not feel the cold, though it froze keenly† (Bronte, p143) indicated the narrator’s feelings and experience. The narration is written in the past tense, â€Å"in those days I was young† (p143) to add to the affect of a recollection and to bring the sense of an autobiography.   Ã‚  Ã‚  Ã‚  Ã‚  Jane is not an omniscient narrator, like Hamlet, therefore the reader can see things she does not, such as the gloomy significance of the extract and how it is an indication of her future relationship with Mr Rochester, and Thornfield. The whole of the novel is written in elaborate, complex sentences, which perhaps is the author’s way of demonstrating Jane’s intelligence and eloquence. The style of language and it usage is similar to that of Keats. Bronte uses active verbs such as â€Å"rising moon† and â€Å"blended clouds† (p143) and â€Å"noise† breaking out, and integrates them into the elegant prose to bring a sense of movement to Jane’s surroundings. An idea of sound is also achieved by the use of onomatopoeic words such as â€Å"tinkle of the nearest stream† and â€Å"whispering† (p143) this brings a sensuous aspect to the prose, something that Keats also manages to achieve in his Ode to Autumn. There is even a small degree of alliteration â€Å"wave wanderings† (p143) something, which Keats also uses.   Ã‚  Ã‚  Ã‚  Ã‚  The imagery in Jane Eyre is plentiful, for instance the moon is personified as female, â€Å"The rising moon . . . she looked over Hay† (p143) the images are conjured up through pictorial descriptions used by Jane, as with Keats. We get the impression that Thornfield is slightly intimidating, we know the hall is â€Å"grey and battlemented† (p143) and that the woods are â€Å"dark†.

The Usage Of A Bandgap Reference Voltage Engineering Essay

A bandgap mention electromotive force is an indispensable constituent of an parallel to digital converter.It is frequently used to provide a mention electromotive force which is compared with others voltages.The bandgap mention used in diverse applications is based on the thought of Hilbiler in 1964 [ 1 ] aˆ‚A bandgap mention electromotive force with low sensitiveness to temperature and supply electromotive force is normally required in parallel or digital circuits. Low electromotive force and low power are two of import design standards in both parallel and digital systems.It been expected that the whole electronics system will be operated down to a individual 1-V supply in near future.The bandgap mention ( BGR ) generators which can be operated under 1-V supply have been widely used in DRAM, falsh memories, analog-digital convertor ( ADC ) and assorted parallel devices.So far many techniques have been proposed to develop electromotive force or current mentions, which can be about independent to temperature and power supply voltage.The bandgap mention is the major design to supply a preciseness electromotive force mention with low sensitiveness to the temperature and the power supply.when CMOS engineerings enter the nano-scale epoch, The demand for battery operated portable equipments will increase.the supply electromotive force has been scaled down from 1.8V ( in 0.18 µm engineering ) to 1.2V ( in 0.13 µm engineering ) , and will drop to merely 0.9V in the following coevals engineering [ 2 ] .In CMOS engineering, the parasitic perpendicular bipolar junction ( BJT ) had been normally used to implement P-N junction of the bandgap reference.But the traditional CMOS bandgap mention circuits did non work in sub 1-V supply voltage.the ground, that the minimal supply electromotive force can non be lower than 1V is constrained by two factors, which is the bandgap electromotive force of around 1.25V in Si, which is exceeds 1V supply.The others factor is the low-tension design of the relative to absolute temperature current coevals cringle is limited by input common-mode electromotive force of the amplifier.These two limitions can be solved by utilizing the resistive subdivision methods, low threshold electromotive force ( or indigen ) device, BiCMOS procedure or DTMOS device.However, those attacks frequently require specialised procedure and word picture which addition fiction cost and procedure stairss. Reference electromotive force generators are required to be stabilized over procedure, electromotive force and temperature fluctuations and besides implemented without alteration of fiction process.The bandgap mention ( BGR ) is one of the most popular mention electromotive force generators that successfully achieve the requirements.regarding the generators, the demand for the low power and low electromotive force operation is strongly increasing the spread of the battery-operated portable applications.A bandgap mention electromotive force is an indispensable constituent of an analog-to-digital converterIt is frequently used to provide a mention electromotive force which is compared with others voltage. A bandgap mention electromotive force with low sensitiveness to temperature and supply electromotive force is normally required in parallel or digital circuits.there are several methods to recognize a temperature independent voltage.the base emitter junction used as a nucleus constitu ent of the bandgap mention is the most popular approach.the general bandgap mention electromotive force mention electromotive force is described by a additive combination of base-emitter electromotive force. Bandgap mention circuit is widely used to supply stable current and electromotive force mentions in parallel circuits every bit good as in assorted signal CMOS circuits.A stable mention circuit should be robust against temperature, power supply and procedure variations.Sub-1-V mention coevals has got importance due to scaling ensuing in shrinking of MOS dimensions and decrease of power supply to minimise power ingestion. owing to follow Moore ‘s Law, it has become needfully of import to diminish the power in the chip.This puts the restraint on the power dissipation of mention generators.the design of this bandgap besides see for low power operation..In traditional BGR circuit, bipolar transistors and one or more resistances are used.BJTs that are used in BGR are in parasitic signifier in CMOS.resistor occupy big country on the bit and hence addition the cost.on bit tolerance of resistances vary from 20 % to 30 % .So, we have to replaced these constituents with MOS transistors t o better public presentation of BGR and to salvage bit area.The combination of different runing parts like subthreshold, additive and impregnation of MOS suppresses the temperature dependance of electromotive force mention.Aims:To set up a dc electromotive force or current that is independent of the supply and procedure and has a chiseled behaviour with temperature. To plan the BGR that independently to temperature and low noise and low electromotive force To plan bandgap mention that can be successfully operated with sub 1-V supply in standard 0.35 CMOS procedure without particular procedure engineering.Problem statementWhen CMOS technologies enter the nano-scales epoch, the demand for battery-operated portable equipments will increase.The supply electromotive force has been scaled down from 1.8V ( in 0.18 m engineering ) to 1.2V ( in 0.13 engineering ) and will drop to merely 0.9V in the following engineering [ 2 ] .in CMOS engineering, the parasitic perpendicular bipolar junction transistor ( BJT ) had been used to implement the high preciseness bandgap electromotive force references.However, the convential BGR generates a 1.25V mention voltage.Its fixed end product electromotive force limited the supply electromotive force and non suited for sub 1-V supply volateg operation.The ground why the conventional CMOS bandgap mention did non work in close 1-V supply voltage.One is that the bandgap end product electromotive force is about 1 .25V [ 3 ] , which exceeds 1-V supply.The others is that the low temperature electromotive force design of the relative to absolute temperature current coevals cringle is limited by the input common-mode electromotive force of the amplifier.These two restrictions can be solved by utilizing the resistive subdivision method [ 4 ] , low threshold electromotive force device [ 5 ] , BiCMOS procedure or DTMOST [ 6 ] . But, those attacks frequently require specialised procedure and word picture which can increase fiction cost and procedure step.However, the bandgap mention working in low supply electromotive force has a higher temperature coeeficient than that of traditional bandgap reference.This resulted in the development of new temperature compensated techniques such as quadratic temperature compensation [ 7 ] , exponential temperature compensation [ 8 ] , piecewise additive curvature rectification [ 9 ] and resistance temperature compensation [ 10 ] .To implement these advanced mathem atical maps with high truth, the development of the low electromotive force bandgap construction requires precision matching of current mirrors or a pre-regulated supply electromotive force, cascade current mirror [ 11 ] , and pre-regulated circuit are good methods to work out this problem.but the minimal supply electromotive force is tradeoff.Scope of work:A typical CMOS execution of a bandgap mention is shown in Fig. 1. The end product mention electromotive force VREF of the traditional bandgap mention circuit can be written as: Equation 1 trad bgr.bmp Figure 1: Traditional/conventional BGR circuit in CMOS engineering where A1 and A2 is the emitter countries of Q1 and Q2, and VT is thermic electromotive force. The 2nd term in ( 1 ) is relative to the absolute temperature ( PTAT ) , which is used to call off the negative temperature coefficient of VEB. Hence, if a proper ration of resistances is kept, an end product electromotive force with lowsensitivity to the temperature can be obtained. In general, the VREF is about 1.25 V, so that the conventional bandgap mention circuit can non be used in low electromotive force application, such as 1 V. Mention electromotive forces and/or currents with small dependance to temperature turn out utile in many parallel circuits. As many procedure parametric quantities vary with temperature, if a mention is temperature-independent, it is normally processindependent every bit good. If two measures with opposite temperature coefficient are added with proper weighting, the attendant measure theoretically exhibits zero temperature coefficient. The construct of the new proposed bandgap mention is that the two electromotive forces ( which are relative to VEB and VT ) are generated by merely one feedback cringle. The two-stage operational amplifier with p-channel input is used in thisnew proposed bandgap mention. The new proposed bandgap mention is shown in Fig. 2, which uses the resistive subdivision R1a, R1b, R2a and R2b to cut down the input common-mode electromotive force of the amplifier.The dimensions of PMOS devices M1 and M2 are the same.The opposition of R1a and R2a is the same, and th e resistanceof R1b and R2b is the same. Following the KCL at the nodesof V1 and V2 in Fig. 2, the mention electromotive force can be expressed as New Picture.bmp Equation 2 Where and.According to equation below: ) /R4 We can expressed equation 2.The point of Vref-conv is indistinguishable to the conventional mention electromotive force in equation ( 1 ) .In order to accomplish sub 1-V operation, the ratio of R1b/ ( R1a+R1b ) is used to scale down the mention electromotive force level.Therefore, the minimal supply electromotive force of the new proposed BGR can be efficaciously reduced to merely. The new proposed BGR mentions can operated under bomber 1V.The whole complete circuit to recognize the proposed bomber 1V BGR is shown below: New Picture ( 1 ) .bmp Figure 2: Complete circuit for new proposed Sub1V So, from the comparing above, I can clearly cognize what I will make on my ain undertaking, what my range of work.From this, i ‘ll go on the new proposed BGR design that already done but I will seek to minimise the supply electromotive force, temperature independent and noise consequence as possible so the BGR will successfully operated in sub 1-V.

Energy Efficiency – a Replacement to Load Shedding

Load shedding is one of the biggest problem faced by everyone in Pakistan, no matter they are domestic or commercial consumers. Pakistan is facing a serious energy crises and it may get worse if not addressed seriously and promptly. Everyone is curious about the role of government in dealing with this issue and relieving consumers through immediate supply side solutions such as new power sources. Government is playing its role in establishing new power plants and potential of utilizing unleashed sources such as coal and renewable resources i. e. ind, solar etc. Domestic and commercial consumers contribute more than 60% in the total electrical energy requirement of Pakistan. Currently, maximum energy deficit is 5500 MW in summers and immediate solutions are unable to meet this deficit in near future. It is not recommended to a consumer to compromise on comfort by not operating some of the high priority appliances but slight change in behavior may contribute much more than expected. Main electricity demand contributors are cooling and heating appliances used by domestic and commercial users. In order to quantify the impacts of such appliances, research has been carried regarding the usage of air conditioners in Pakistan. Consumers have been suffering from crises in form of load shedding for hours in a day no immediate solution seems to be viable in extended summers. They tend to blame government and utility companies for not reducing load shedding. Energy could be made available for extended hours but a mass level awareness about efficient usage of energy is required. Illegal connections, usage of inefficient and unnecessary appliances at peak demand time has worsened the situation and utility companies seem helpless about it. They are not left with any other option to reduce demand except through load shedding. Air conditioners are one of the major contributors in peak load in summer. They comprise 15% of the total peak load requiring at least 3000 MW for the country. A survey regarding usage of air conditioners was floated as a part of this research and 300 domestic and commercial consumers responded to the survey. One of the conclusions of the survey indicated that 21 0C is the average control temperature for AC in households. From the same survey consumers were asked about the maximum control temperature used in household. The maximum average temperature was found to be 26 0C. In order to investigate the influence of this control temperature on household energy consumption and peak load demand, an experiment was carried out on two similar buildings in Karachi. Two rooms of the dimension of 12 X 16 X 12 ft were used for this purpose. One room was operated at 21 0C control temperature for 24 hours period while other at 26 0C. Observations and results indicated that a total of 0. 45 KWhr saving was recorded in the room having AC operating at 26 0C. If this saving is extrapolated to expected number of air conditioners in Pakistan, then a total of 14. 5 GWhr of electrical energy could be saved in a single day. In terms of power this can easily curtail a total of 607 MW out of peak demand, which is equivalent to some of the largest power plants in the country. If similar energy conservation techniques are applied for refrigerators and other cooling appliances then savings could be of much significant level. Due to ongoing gas load shedding scenario, consumers may start turning towards electrical heating appliances, which may potentially add up in electrical energy demand in near future. Large scale awareness is required at each level of consumption. Peak load shifting, discouraging illegal connections and utilizing energy in efficient way are our few life lines. A single consumer contribution may seem insignificant but as a whole it can contribute towards reduction of significant peak load.

SCI Case Study

1. Why did Allen’s heart rate and blood pressure fall in this time of emergency (i.e. at a time when you’d expect just the opposite homeostatic response)? Pg. 969 This occurred because Allen’s spinal cord has decreased perfusion due to damage, and a broken vertebral bone. Also, there has been a disruptions of the sympathetic fibers of his autonomic nervous system therefore it can no longer stimulate the heart. Allen likely has spinal shock.2. Upon admission to the hospital, Allen’s breathing was rapid and shallow, can you explain why? Pg. 969 Due to Allen’s fall he likely has an incompetent diaphragm due to injuring a cervical segment. This would alter effect the lower motor neurons and external intercostal muscles. This would cause his chest x-ray to show a decreased lung expansion. This may have caused Allen to have to take rapid shallow breaths to maintain oxygenation. Overall, interruption of spinal innervation to the respiratory muscles would a lso explain his acidotic state.3. Why did Allen lose some sensation to his arms and all sensation from the upper trunk down? This is because Allen’s C5 segment was injured. Therefore, the dorsal column tracts and spinothalamic tracts were altered. This would cause Allen to have lost and decreased sensations.4. Why did Allen have dry skin and a fever upon admission to the hospital? pg. 970 The rationale for the dry skin and fever is that Allen had lack of sympathetic and hypothalamic control. Therefore, his body adapted to the temperature of the environment as wells as attempting to increase extracellular fluid. Overall, spinal shock would result in these symptoms along with decreased sweat production resulting from decreased sympathetic motor neuron stimulation.5. Based on the physical exam findings, which vertebral bone do you think was fractured? Give reasons for your answers? Pg. 969 Based on the physical findings I would say Allen’s fracture occurred at C5. I belie ve this is  where the fracture occurred because Allen had minimal biceps brachial stretch reflex, was able to raise his shoulders and tighten them, and could tighten his biceps.In addition Allen could not raise his arms against gravity, had flaccid lower extremities, and was without triceps or wrist extensor reflexes, and other muscle stretch reflexes were absent. If the fracture was at C4-5 Allen would not be able to shrug his shoulders and if the fracture was at C7 he could extend his flexed arms. Top of FormBottom of Form6. What is the normal pH of blood? Why was Allen’s blood pH below normal? Pg. 970-971. The normal blood pH is between 7.35 and 7.45. Allen’s blood was acidotic due to a decrease in lung expansion and an alteration in the perfusion to his spinal cord. He also has an alteration in spinal innervation to the respiratory muscles including the phrenic nerve that controls the diaphragm. This would further cause Allen to not be able to adequately take in enough oxygen and blow off enough CO2 to adequately have gas exchange, within the alveoli. Respiratory failure.7. What is the primary muscle of respiration? What nerve initiates this muscle? The primary muscle of respiration is the diaphragm. The nerve that initiates this muscle is the phrenic nerve.8. Which spinal neurons to the nerve you named in question #7? Pg. 969. The cervical spinal nerve C3-5 innervate the phrenic nerve. These are the lower motor neurons.9. By four days after the injury, some of Allen’s signs and symptoms had changed. Allen’s arm muscles were still flaccid, yet his leg muscles had become spastic and exhibited exaggerated stretch reflexes. Use your knowledge of motor neural pathways to explain these findings. Pg. 969. Allen is experiencing these signs and symptoms because he is his spinal shock is now resolved. Therefore his lower motor neurons will then be able to fire impulses unlike the upper motor neurons due to the injury being at C5. There fore, due to his cervical injury muscle spasticity, bladder activity, and reflex activity will begin. This is called spastic paralysis.10. Why did Allen suffer from urinary incontinence? Pg. 970. Allen suffered from urinary incontinence because of autonomic dysfunction. Initially autonomic dysfunction causes an areflexic bladder, also known as a neurogenic bladder. This means his bladder had zero ability to contract. Autonomic dysfunction then leads to urinary retention.

Designing a training programme for supervisor skills at Primark Essay

Type of training and how long will the training take? (on the job or off the job) Shadowing/demonstration/coaching/external or internal course 1 hour/1/2 day/ 5 days? Provider of training and Location Sales floor/store training room/Primark head office/College/Distance course. Internal training. Who will carry out? HR manager/training manager Description of training content What will the you do /learn during the training Cost of the training Physical cost of external course/cost of paying salary to trainee whilst not doing their job role/providing cover whilst trainee is on course/travel expenses – train tickets to London if going on a head office course What will the training allow me to achieve? What skills will you have learnt? How will it assist you in being successful in your new role? Why is this skill important? Consequences Shadowing for 1 hour Sales floor watching experienced supervisor complete rota Organisation of staff rota, including breaks and lunches. Watch the supervisor complete her daily rota and then complete own rota and discuss with mentor to get feedback on how to improve it No direct costs however, Primark will still need to pay us both our  £8.50 an hour salary despite the fact that both the experienced Supervisor and I will be less productive during the training. This may impact on customer service as we won’t be available to help customers during the hours training . The training may disrupt other members of staff and reduce overall productivity of the department I will be able to complete the daily staff rota ensuring all staff get the breaks and lunches they are entitled to with minimal disruption to customer service Key feature in the job description of a supervisor. Failure to complete this correctly may mean that staff do not get the correct breaks and may become demotivated and lower their productivity as a result which will trigger a fall in customer satisfaction and potentially sales and profit Demonstration for 20 minutes Shown on the sales floor by an experienced supervisor . Whilst walking around look at the trends , most common sizes and the popular items . The ability to see when a specific product is in high demand and inform head office that more stock needs to be ordered. Listening to retail sales assistants when they tell you a product is in high demand . There are no direct costs. Although the experienced supervisor and I will need to be paid  £2.52 for the 20 minutes . I will be less productive during the training, this may impact customer service as I will be too busy to help out customers. The training may disrupt other members of staff and reduce overall productivity of the department The ability to spot trends , and items that are selling out. The ability to order in new stock . Failure in ordering a high demand products would mean Primark would miss out on an opportunity to make a profit . Failure is ordering any stock means that that Primark wouldn’t have any stock to sell and the customers would go else where. 1 day off job training completing the Impact Factory Customer service course Training by Impact Factory in London. I will be taught on how to give the best customer service and be more confident with employees. Dealing with customer complaints in the most appropriate way . Talking to unsatisfied customers and seeing what they can do to help and make sure this doesn’t happen next time.  £21.10 for the ticket to London. A whole day’s pay at  £7.57 an hour for 9 hours which is  £68.13. Although it’s more expensive than getting another supervisor to do the training , the training will be a lot more formal and I will take it more seriously . The course costs  £450. I will be trained by an expert in customer service . Although resentfulness amongst other members of staff who haven’t been chosen to attend the course and become demotivated and less efficient as a result. The overall cost will be  £539.23 . I will learn how to give good customer service , deal with rude/difficult customers , advance my listening/ responding skills, make the customers point of view work for me, gain confidence in giving customer service and handling complaints with empathy/ efficiency. A good retail supervisor needs to deal with customer complaints appropriately . This is because the supervisor will be the face of the branch and if they give a bad impression , there could be a drop in customers. The customers could go to competitors with better customer service. On the job training doing 20 minutes coaching and a 10 minutes session a week later. On the sales floor at a off-peak time with HR manager Learning how to use the supervisor function on the till to be able to give customers returns / change / cancel orders. No direct costs but both the HR manager and I will need to get paid . Although because this session is short, there will be a lot of time to do more productive things. The training may disrupt other members of staff and reduce overall productivity of the department. Customers may receive poor customer service such as long wait times at tills even though it is at off-peak time which would Lower sales. HR manager will need to be paid  £10 for the 30 minutes. I will need to be paid  £3.79 for the 30 minutes. The HR manager’s journey from London will cost  £21.10. The overall cost is  £34.89. I will learn how to use the supervisor function on the till , be able to give customer returns / change and cancel orders. As I have practiced at different times, I am now very clear on how to use the supervisor function on the till . This means in peak time if a customer needs a return I can quickly use the function on the till without holding up a long queue . This means the customers will be happier as they don’t have to wait a long time and I can go do more productive things. If I was unable to do this Primark would get a reputation for poor customer service and customers would go to competitors , which would lower sales. Off the job training for 30 minutes doing Job shadowing . 30 minutes observation On the sales floor with an experienced supervisor Ensuring that the sales floor is always kept clean, the shelves are fully stocked with products and there’s no clothes on the floor. In prime time the retail sales assistant are aware how to work in the peak times including the holidays and Saturdays . There are no direct costs but I will be paid  £7.57 for the hour and so will the experienced supervisor. I will not being my job during this training session meaning a loss of productivity . I may disrupt other employees and reduce the overall productivity of the department. Customers may have to wait longer on the tills / fitting rooms as I will be unable to help them, which would lower sales. The overall cost would be  £15.14 . I will be able to deal with the sales floor at its prime time. Through observation I can be told what my weaknesses are and how I can improve on them. If I wasn’t able to manage the store at prime the customers would be left waiting unreasonable times for the tills/ fitting rooms . They would eventually get annoyed and leave to go to a competitor, meaning a loss in sales. The employees would become demotivated as they are constantly having to work in a hectic unorganised environment and may leave. If an employee leaves Primark would have to pay for the recruitment costs for the next employee. Off the job training in London doing a leadership course – 1 day course In London being taught about leadership by CIPD Making sure all the retail sales assistants are working efficiently . Motivating all the retail sales assistants to do their work to the best of their ability . This means carrying out appraisals and dealing with any performance issues appropriately . The course costs  £545 . I will have to be paid for the full day at  £7.57 which is  £68.13 . I will have to pay for a peak return ticket to London for  £21.10 . The overall cost will be  £634.23. I will be unable to any of my tasks , therefore there will be a loss in productivity. There will be Resentfulness amongst other members of staff who haven’t been chosen to attend the course and become demotivated and less efficient as a result. I will learn which leadership characteristics I need to develop , be able to select motivational ideas with the most potential to motivate and engage the retail assistants . I will be able to motivate the retail sales assistants . Therefore they will be able to give good customer service which means happy customers , they will come more frequently . This will build a better image for Primark. If I was not able to motivate employees, they would eventually find a different job. Demotivated employees give bad customer service so the customers would get annoyed and go to competitors. Once the employee leaves , more will leave increasing the staff turnover which would make it less appealing to work for Primark . Recruitment costs are also very high and this would need to be paid for. Off the job training interview skills course In London with an interviewing expert . Working alongside Human resources manager to co interview potential candidates for the role of retail sales assistant. A ticket to London is  £21.10 . I would have to be paid for the full day at  £7.57 an hour , which is  £68.13 overall . The course costs  £30 . The overall cost is  £119.23. The setting will be more formal and I will take it more seriously . There will be a loss of productivity as I will not be there for the whole day to do my job. There may be resentfulness amongst other members of staff who haven’t been chosen to attend the course and become demotivated and less efficient as a result. I will learn: the equality act 2010 , the cost of recruitment and staff turnover, the causes of poor recruitment, strategies for effective recruitment practice, the stages of recruitment, how to design a job description and person profile, how to analyse application forms and cvs , and interview techniques . I will be able to make sure when I interview a candidate for the role of retail sales assistant I will do it in the best way possible . I will be able to choose the most suitable candidate . I will be able to make sure the candidate is not discriminated against and therefore save costs and the reputation of Primark. If I was unable to interview a candidate appropriately I could ask a question that breaks the equality 2010. This would give Primark a bad reputation and they would be fined. In house training for the 3 Hours The HR manager in a meeting room Providing induction training for new retail sales assistants and making them feel welcome and at ease. No direct costs but I and the HR manager will need to be paid for the 3 hours. The HR manager will get paid  £60 and I will get paid  £22.71. The train journey from London to this Primark branch will need to be paid for which is  £21.10. The overall cost would be  £108.31. Me and the HR manager will not be productive for those 3 hours . The training may disrupt other members of staff and decrease productivity over the whole department. Customers may receive poor customer service as I will be unable to help them. I will be able to provide suitable training for the new retail sales assistants . I will educate employees about the effective use of technology ,ensure that Primark has the competitive edge, promote health and safety, create opportunities for career development and personal growth, helps employees comply with laws and regulations and improve productivity. This is important because this means the employees will give good customer service . If I trained the employees incorrectly they could decide to leave or they could injure themselves because I didn’t mention a health and safety rule. This would mean an employee would be harmed and Primark would have broken the health and safety act and could face fines. If the employees are trained badly they could give poor customer service which would drive the customers away to the competitors , which would lower sales.

How Advertisements Can Not Be Escaped - 2175 Words

Advertisements have taken many forms over the all of history. They have taken in the form of newspapers, billboards, magazines and television commercials however as Kay (2001) says that when it comes to online advertising to Barbara Kaye and Norman Medoff online advertising is a quite recent phenomenon. According to Collins (1999), in 1994 the first banner ad was made by hotwired.com. And since then the advertising phenomenon has exploded in every possible website and social media outlet in existence today. You even cannot watch a YouTube video without see an advertisement pop up in front of you before your video begins. Fortunately, some times you have the option to skip almost most of the advertisement if you do not want to see it but for the most part in every other part of the Internet you cannot escape advertisements. Even education websites have advertisements everywhere for plagiarism checker to books stores’ advertisements cannot be escaped what ever you do. Anyone might legally wonder why this is this the case and the underlying answer to that question is economics which is going to be one of this essay’s parts and its association with advertisements. We will then take a look on banner ads and how they affect advertising especially with regard to another forms of advertising that have permeated the internet since the beginning of online advertisements was back to 1994. After we take a look at the evolution of advertisements, we will take a look at howShow MoreRelatedFrederick Douglass s Life Of Slavery999 Words   |  4 Pagesa painful life. Douglass was born into slavery. His mother was black, and his father was an white man, as an infant, he was separated from his mother, and around the age of twelve his mother passed away. Eventually Frederick Douglass successfully escaped on the train, and he became the voice of slaves. 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10 Important Feminist Beliefs of the 1960s and 1970s

Cognitive Behavior Therapy And Mental Disorders - 1563 Words

Cognitive Behavior Therapy Cognitive behavior therapy is a great way to help people with depression. According to Wright, â€Å"Cognitive behavior therapy is a pragmatic, action-oriented treatment approach that has become a widely used psychotherapy for major mental disorders. Cognitive behavior therapy methods were initially developed for depression and anxiety disorders, and later they were modified for many other conditions, including personality disorders, eating disorders, and substance abuse; they have also been adapted for use as an adjustment to medication in the management of schizophrenia and bipolar disorder (Wright, 2006).† Cognitive behavior theory is mainly used with depression and anxiety. Many people of all ages are affected by†¦show more content†¦They may express thought of being overwhelmed and that there is so much to accomplish that they can never do it (Corey, 2012).† Depression even though can be treated by medication and therapy; it can s till lead to problems in the future when clients stop taking medication and therapy. â€Å"Everyone has automatic thoughts, but in clinical states such as depression and anxiety disorders, these cognitions are often riddled with errors in logic. In depression, automatic thoughts typically center on themes of negativity, low self-esteem, and ineffectiveness (Wright, 2006).† Aaron Beck studied depression and focused on what triggers depression. â€Å"Beck developed specific cognitive procedures to help depressive clients evaluate their assumptions and beliefs and to create a new cognitive perspective that can lead to optimism and change behavior (Corey, 2012).† The first component of the triad includes clients holding negative views of themselves, they also blame their setbacks on personal inadequacies without considering circumstantial explanations. The people are convinced that they lack the qualities in order to be happy. Examples of this would be â€Å"I am a boring person†, â€Å"I am uninteresting†, â€Å"I am too sad for anyone to like me.† The second component is the tendency to interpret their personal world in a negative manner. They tend to focus on certain facts conform to their negative conclusions. An example for this would be â€Å"No one appreciates my job.† The last component