Funding For Special Education Program - 1544 Words

Funding for special education students is, and historically, has always been, a complicated issue. Most people believe the federal government funds special education in the United States. â€Å"Understanding Special Education Funding† (2009), states that, on average, most states estimate that the federal government provides less than 15% of the money needed to fund special education services. This, in turn, leaves local school systems responsible for funding the remaining portion of special education services. This paper examines the history of special education laws and funding, the wide variance of funding that exists from state to state, and the problems created by a lack of funding. Literature Review In a 2014 report from McCann, special education services were federally mandated for the first time in 1965 by the Education of Handicapped Children Act, and a two-year $3.5 million program was created to provide formula grants to states for funding education of special needs students. According to the website, www.understandingspecialeducation.com (2009), in 1975 Congress passed the Education for All Handicapped Children Act which guaranteed a â€Å"free and appropriate public education† (FAPE). This act was later modified and became the Individuals with Disabilities Education Act or IDEA. IDEA requires individual states to provide children with special education services as a condition of receiving federal funding for education. The largest portion of IDEA is called IDEAShow MoreRelatedThe Funding On First Nations Reserves1616 Words   |  7 PagesThe funding on First Nations reserves has not kept up with the needs of a growing population. Teachers salaries and school suppl ies has been a consequence of the funding shortfall on First Nations reserves. Annual expenditure increases is subject to a two percent cap for First Nations schools (Assembly of First Nations, 2012, para. 11). If teacher’s salaries are being impacted on reserve, many teachers may need to resort to working at a provincial school system where they get paid more. It is importantRead MoreAspects Of Ell Education And Student Achievement1463 Words   |  6 Pagesmany aspects of ELL education to be explored. In order to effectively inform policy on ELL education, one must consider what affects student achievement, how to keep education adequate and equitable with the inclusion of ELLs, and how ELL education affects funding of schools. These topical areas of research, while not exhaustive, are helpful in framing the larger topic of this paper: if varying numbers of ELLs affect the state mechanism for funding ELL education. ELL Education and Student AchievementRead MoreSpecial Education Or Remedial Education Is A Program Designed1542 Words   |  7 PagesSpecial Education or Remedial Education is a program designed to help children who have learning disabilities and mental challenges. Special Education can be very beneficial for certain students; however, because of the diversity within a Special Education classroom students are rarely getting the correct level of education that they need. Most students do not end up not getting the specialized help they need and eventually fall through the cracks. This, along with many other problems, need to fixedRead MoreEssay about Regular vs. Special Education Classes1567 Words   |  7 PagesI posed this question prior to my research; do special education students receive the same attention and level of education as students in regular education? Through investigation and observation, I explored the differences between regular education classrooms and special e ducation classrooms to see if there were in fact inequalities between the two. Prior to doing research, I assumed that all education was alike, and that regardless of special needs, the educational institution provided an equalRead MoreFunding For Special Needs Education946 Words   |  4 Pagesmade, especially harming the programs for special needs students. The total amount that has been cut cross nation from this program, is ridiculous, $578,892,762 (www.special-education-degree.net). Here in Illinois, we have been one of the states that s been most struck by this budget cut. The progressillinois.com has said â€Å"over the summer they announced that $42 million cuts... And another cut was announced for 12 million†. Some think the funding for special needs education shouldn’t be raised, howeverRead MoreBenefits Of Speech-Language Pathology Services1003 Words   |  5 PagesAn issue frequently debated by the legislature concerns funding of various social/public pr ograms which include speech-language pathology services. As a child who suffered from an auditory processing disorder, and a future licensed Speech-Language Pathologist (SLP), I know all too well how important SLP services are for children. Currently, funding for social/public programs to include Speech-Language Pathology services in the United States is not adequate for children with learning disabilitiesRead MoreEducational Funding Levels For Public Schools Essay909 Words   |  4 PagesGeorgia, to determine K-12 educational funding levels for public schools (Green, 2014). This approach utilizes a fixed method to allocate funds and, as maintained by Green (2014), is intended to provide an objective, efficient, and equitable manner to distribute state education funds to local schools districts. However, as observed with Georgia’s own funding formula, this budgeting approach falls short when full funding is not provided. As a result, funding inequities do occur as local sources ofRead MoreLegal Disabilities Law1727 Words   |  7 PagesRunning head: HISTORY OF SPECIAL EDUCATION LAW According to National Assessment of Educational Progress (NAEP), an IEP, or Individualized Education Program, is â€Å"a written statement for each individual with a disability that is developed, reviewed, and revised in accordance with Title 42 U.S.C. Section 1414(d).† (NAEP Glossary) Each source I studied stressed the concept of â€Å"individualized† plans because each program is tailored to specifically meet the needs of that particular student throughRead MoreSynopsis Of 1000 Instruction901 Words   |  4 Pagesadditional classroom resources. These resources may include paper supplies, lab equipment, calculators, and any other necessity of individual programs. Without some allocation for supplies, many classes would not operate correctly. Allocation also covers the replacement of broken supplies as well as perishable supplies. For instance, this fund would give science programs the ability to buy more chemicals that have been used in years past. 2220 Library Media Service This portion of the budget contains allocationsRead MoreAcross The Nation Employment Rates Are Holding Steady For1696 Words   |  7 Pagesstandardized education across the nation. A public policy is necessary because most individuals with disabilities get their money from Social Security, which is how they can survive in the world. It pays for health care, Medicaid, housing, long term support and care, but those costs are being depleted and running low because funding for Social Security programs for those with disabilities is decreasing, as is the funds for Social Security for everyone. The government is no longer funding as much money

Against Cloning Essay - 667 Words

Against Cloning As soon as you mention the word cloning, you are most likely to ignite a debate. This is because people are greatly divided on whether its good or bad. A way to reach a conclusion is to look at cloning from ethical, risk, and religious perspectives. The reality is, cloning is unethical, very risky, and irreligious. The arguments I will make will hopefully convince you that cloning is not good for the future. Cloning is very unethical. It would be violating the human rights in many ways. It would be violating of the freedom of beliefs and thoughts (Peter Flaherty, and D. Lynn Moore. Civics. McGraw-Hill Ryerson, 2000) Cloning also reduces human dignity. Humans can be sold as manufactured products. If we allow†¦show more content†¦My reply to that would be that it is not because curing someone is far more different that creating a new life and tampering with the way god created life. We should try to stick with God?s rules and his natural order instead of trying to make God?s rules. If we do interfere with this, we?ll interfere with natural evolution. (http://elibrary.bigchalk.com) If we interfere with natural evolution than who knows what other problems might occur? Cloning is a big step for the future, and everyone who defends cloning is too caught up with this new process of making new life, and not thinking about the consequences. Some of you don?t know that killer bees were cr eated by scientists. These scientists were too caught up with the bees, trying to make them better. But the bees escaped and turned out to be very dangerous. Killer bees have killed more than a 1000 people. (http://www.columba.edu) This is an example of the consequences of playing god. Cloning animals or humans would be very risky. Cloning is very unpredictable. Therefore no one can estimate exactly how risky cloning can be. We have already used a lot of animals in crazy experiments and none of them succeeded. Yes, even Dolly. Many of you think Dolly, the first animal to be cloned wasn?t really successful. Dolly became sick and was put to rest. Another point which often people overlook or try to hide is that in the making of Dolly, about 277Show MoreRelatedAgainst Animal Cloning1063 Words   |  4 PagesAgainst Animal Cloning The welfare of animals should be considered when thinking about cloning and artificially creating new animals, but those who want to clone animals disregard any repercussions that would arise from any harmful effects on the animals. In this case, a primary animal could go literally extinct because of how humans are either invading their environment or even killing them. Animals are less likely to survive as clones. Animals should not be cloned because there is no guaranteeRead MoreEssay on An Argument Against Cloning1198 Words   |  5 PagesAn Argument Against Cloning Increase in genetic knowledge has created challenges in our society. Daniel Callahan focuses on these challenges and expresses his worry about the society (soil) on which this genetic knowledge is growing. Callahan asks the question of what kind of society (soil) is most likely be hazardous and introduces three patterns: 1) societies that demonize death and illness; 2) those societies that want to find biological solutions to social problems; and 3) societies with postmodernRead MoreHuman Cloning : An Argument Against Human Reproductive Cloning2226 Words   |  9 Pagesin full the ‘life in the shadow’ argument against human reproductive cloning. How might the argument be objected to? Do you regard the argument to be morally decisive, in the sense that it establishes that human cloning for purely reproductive purposes must never be permitted? Explain and defend your answer. Introduction: As the advancement of time, the concept of human cloning can become a reality as with the breakthrough of biotechnology. Human cloning can be defined in terms of formation of geneticallyRead MoreCloning : A World Problem Or Abomination Against Mankind3402 Words   |  14 Pages Cloning: An Answer to a World Problem or Abomination against Mankind Steven Jacob Bokov GOVT 2305-2P3 Professor McMahon August 4, 2015 Dolly the Sheep was a phenomenon that spread through the world like wildfire. She was born on July 5, 1996 and was the first mammal effectively cloned from an adult somatic cell. Dolly was such an amazingRead MoreEssay about Argument Against Human Cloning1902 Words   |  8 Pagesinvolved in the unstable process? Although cloning may allow for new medical procedures and research of diseases and cures, it takes away from the natural biological order of life, and allows humans to play God while creating a margin of error which could result in many defects. Many ethical and moral dilemmas arise when discussing human cloning, and one can have many positions for and against each. To understand the issues surrounding human cloning, one must have a basic idea of what the processRead MoreAn Argument against Cloning730 Words   |  3 Pages Against Cloning Introduction The recent past has seen successful research on cloning. Cloning is the asexual reproduction intended to produce an exact copy of an animal or human. In the case of human cloning, this is done by fusing the human DNA into a human egg causing it to divide and grow. This often results into the creation of a copy of an individual. For many years, human dignity has been upheld because human beings are divine beings with peculiar features and capabilities. The developmentRead MoreCloning VS Religion Essay1349 Words   |  6 PagesThis is an example of what cloning can be in the future. People one day will be able to create another version of themselves or someone else. Cloning does not just apply to creating whole humans, but also discusses the attempt to create new cells to help cure different diseases. Science and religion often clash, and in this situation they do through majority of the religions. Buddhism has arguments for and against cloning, where Catholisicm does not like any type of cloning. From a Buddhist pointRead MoreHuman Cloning And Its Ethical Issues1194 Words   |  5 PagesThere have been many arguments in the world about human cloning and its ethical issues. In an issue there will always be pros and cons, but the question is, is this experiment right for humanity? This paper will give in detail about what is cloning, human cloning and how it is done. It will provide my point of view in this topic and two other different arguments from both sides of the issue and finally determine which ones are great arguments. I present my argument with we all are humans andRead MoreCloning Right or Wrong? Essay1336 Words   |  6 PagesCloning Right or Wrong? Have you ever heard of cloning before? Well it has a lot of ups and its downs, many people are against it and many are for it? In my paper you will hear and of the good things and the bad things that happen in cloning and you can decide if you think it is right or wrong. History When I looked up the definition for cloning on www.m-w .com it stated that cloning is to propagate a clone from or to make a copy of. A book on cloning that I read stated that cloning is geneticallyRead More Human Cloning Essay1035 Words   |  5 Pages Human Cloning Human Cloning comes with two dangerous processes, reproductive cloning (the creating of a new organism) and the therapeutic cloning (the creation of a new tissues or â€Å"other biological products†) which affects the ethics of human society. Scientists perceive cloning benefits all men and women, while religious leaders stress the idea of cloning to be an unethical process. Although human cloning serves as an aid to the children and parents with conflicts, cloning is completely

Automatic Traffic Light Control(Presidency University) free essay sample

Azimur Rahman Schooll of Engineering Presidency University Design and Implementation of Automatic Traffic Light Controlled System Approval â€Å"Design and Implementation of Automatic Traffic Light Controlled Syetem† was prepared and submitted by Md. Humaun Kabir (ID:091-033-040),Amam hossain Bagdadee(ID:101-205-041),Md. Rabiul Islam(ID:091-033-040),Md. Nurul Alam(ID:071-012-040) and as been found satisfactory in terms of scope ,quality and presentation as partial fulfillment of the requirement for the Bachelor of Science in Electrical and Electronic Engineering in Presidency University. Cheeked and approved by Thesis Supervisor . Professor Dr. Tapon Kumar Chakraborty Dean and Department Head Department of Electrical and Computer Engineering Azimur Rahman School of Engineering Presidency University Design and Implementation of Automatic Traffic Light Controlled System Acknowledgement Dreams never turn to reality unless a lot of effort and hard work   is put in to it. And no effort bears fruit in the absence of support  and guidance. It takes a lot of effort to work your way through   this goal and having someone to guide you and help you is   always a blessing. We would like to take this opportunity to thank  a few who were closely involved in the completion of this  project. Ingenuity and popular guidance are inevitable for  successful completion of a project. We are indebted to all sources   that helped them in working out this project at each steps of its   progress. Particular we extremely grateful to Project Supervisor Professor Dr. Tapan Kumar Chakraborty, Department of Electrical amp; Computer Engineering for his valuable   suggestion and proper guidance to complete my project. Above   all we thank the lord almighty for giving me all the confidence and ability to achieve this dream ! Design and Implementation of Automatic Traffic Light Controlled System Abstract Traffic signal controlled is playing more and more important roles in modern management and controls of urban traffic to reduce the accident and traffic jam in road. The gas lantern was turned with a lever at its base so that the appropriate light faced traffic. Unfortunately, it exploded on 2 January1869, in during the policeman who was operating it. The modern electric traffic light is an American invention. As early as 1912 in Salt Lake City, Utah, policeman Lester Wire invented the first red-green electric traffic lights. On5 August1914,theAmerican Traffic Signal Company installed a traffic signal system on the corner of East 105th Street and Euclid Avenue in Cleveland,Ohio. It had two colors, red and green, and abuzzer,based on the design of James Huge, to provide a warning for color changes. The design by James Hog allowed police and fire stations to control the signals in case of  emergency. The first four-way, three-color traffic light was created by police officer William PottsinDetroit, Michigan in 1920. In 1923, Garrett Morgan attended a traffic signal device. It was Morgans experience while driving along the streets of Cleveland that led to his invention of a traffic signal device. Ashville, Ohio claims to be the location of the oldest Working traffic light in the United States, used at an intersection of public roads until 1982 when it was moved to local museum. The first inter connected traffic signal system was installed inSaltLake City in 1917, with six connected inter sections controlled simultaneously from a manual switch. Automatic control of  inter connected traffic lights was introduced March 1922 in Houston, Texas. The first automatic experimental traffic lights in England were deployed inWolverhamptonin 1927. Ape-man chenpedestrian traffic signals have come to be seen as a nostalgic sign for the former German Democratic Republic. The color of the traffic lights representing stop and go are likely derived from those used to identify port (red) and starboard (green) in maritime rules governing right of way, where the vessel on the left must stop for the one crossing on the right. Figure: 4 Lanes Road. TECHNOLOGY Optics and lighting:- In the mid-1990s, cost-effective traffic light lamps using light-emitting diodes (LEDs) were developed; prior to this date traffic lights were designed usingincandescentorhalogenlight bulbs. Unlike the incandescent-based lamps, which use a single large bulb, the LED-based lamps consist of an array of LED elements, arranged in various patterns. When viewed from a distance, the array appears as a continuous light source. LED-based lamps (or lenses) have numerous advantages over in candescent lamps; among them are: †¢Much greater energy efficiency (can be solar-powered). †¢Much longer lifetime between replacements, measured in years rather than months. Part of the longer life time is due to the fact that some light is still displayed even if some of the LEDs in the array are dead. Brighter illumination with better contrast against direct sunlight, also called phantom light. †¢The ability to display multiple colors and patterns from the same lamp. Individual LED elements can be enabled or disabled and different color LEDs can be mixed in the same lamp †¢Much faster switching. †¢Instead of sudden burn-out like incandescent-based lights, LED start to g radually dim when they wear out, warning transportation maintenance departments well in advance as to when to change the light. Occasionally, particularly in green LED units, segments prone to failure will flicker rapidly beforehand. The operational expenses of LED-based signals are far lower than equivalent incandescent-based lights. As a result, most new traffic light deployments in the United States, Canada and elsewhere have been implemented using LED-based lamps; in addition many existing deployments of incandescent traffic lights are being replaced. In2006, Edmonton, Alberta, Canada completed a total refit to LED-based lamps in the cities over 12,000 Intersections and all pedestrian crosswalks. Many of the more exotic traffic signals discussed on this page would not be possible to construct without using LED technology. However, color-changing LEDs are in their infancy and may surpass the multi-color array technology. In some areas, LED-based signals have been fitted (or retrofitted) with special Fresnel lenses (Programmed Visibility or PV lenses) and/or diffusers to Limit the line of sight to a single lane. These signals typically have a projector-like visibility; and maintain an intentionally limited range of view. Because the LED lights don’t generate a significant amount of heat, heaters may be necessary in areas which receive snow, where snow can accumulate within the lens area and limit the visibility of the indications. Another new LED technology is the use of CLS (Central Light Source) optics. These comprise around 7 high-output LEDs (sometimes 1 watt) at the rear of the lens, with a diffuser to even outland enlarge the light. This gives a uniform appearance, more like traditional halogen or incandescent luminaries. Replacing halogen or incandescent reflector and bulb assemblies behind the lens with an LED array can give the same effect. This also has its benefits: minimal disruption, minimal work, minimal cost and the reduced need to replace the entire signal head (housing). THE PROJECT Design of Traffic-Control System: Through the project ‘Advanced Vehicles and Vehicle-Control Knowledge Centre’, the Hungarian National Office for Research and Technology supports the design of intelligent traffic-control systems. The main goal of the project is to interlace technological transfer by connecting universities, research centers and leading industrial partners. Automotive technologies are gaining ground in modern road traffic-control systems, since the number of road vehicles and passengers is rapidly growing. There is a perpetual need for safety-critical traffic automation, and traffic engineering makes the dynamic or static analysis and the synthesis of automotive vehicle technologies possible. The main goal of engineering is the planning and management of traffic systems. The project supports the development of reliable and optimal control structures for urban traffic and for motorway systems. The intelligent and cooperative set-up of actuation and its linkage to the central control system is vital for avoiding traffic jams and accidents. Moreover, environmental costs (e. g. pollution) can be decreased. The control architecture of systemic shown in Figure 1. | Figure 1: General traffic management and control structure. | | One aspect of the project aims at developing a traffic control algorithm for future technology. The design of the traffic control system can be evaluated in two steps – synthesis and analysis. Several models and multiple control strategies exist, and engineers must decide between them using a priori knowledge of the real system. Previously collected information can help to choose the appropriate model, parameters, measurement and control methodologies to create the optimal solution. In many cases, control-related variables are almost inaccessible for design unless estimation techniques are applied. In a situation like this, the approximation, computer-based estimation of the variables could be useful. Traffic simulations can be classified in several ways, including the division between microscopic, macroscopic and macroscopic, and between continuous and discrete time approaches. The methodologies of static and dynamic analysis of traffic systems are known. Several state variables, derived from the description of the dynamic system, can be used for operational and planning aspects. A newly emerged area is demand estimation through microscopic traffic modeling. The dynamic aspect of traffic simulation requires previously measured or estimated volumes of traffic. Since the measurement of certain variables in the dynamic description is rather costly, one tries to estimate them. For instance, the observation of constantly varying turning rates at a simple intersection is fairly costly. However, the number of turning vehicles could be applied to traffic light harmonization, or generally speaking to traffic light control. | Figure 2: Traffic jam in Dhaka City. | | Some time has passed since traffic issues were first addressed; in fact, traffic lights apparently existed a century ago. When they were first introduced, their purpose was to ensure the safety of people in the traffic, but as time has passed and traffic has become denser, flow-control issues have become important. Nowadays, control algorithms are extremely complicated, and take traffic-dependent light-control architectures into account. Nevertheless, complementary functions exist to augment the intelligence of such systems. The behavior of traffic is influenced by two main factors: the control inputs and the disturbances incurred. The control inputs are directly related to corresponding control devices such as traffic lights and variable message signs. The manipulation of disturbance Values is not possible, but in some cases they are measurable (e. g. demand), detectable (e. g. ncident) or predictable over a certain time horizon. The most challenging issues relate to automatic incident detection, the modeling of uncertainties, providing a solution that offers robustness under external disturbances, the use of variable message signs in order to avoid traffic jams, and finding an optimal itinerary. The development of an intelligent control structure ensures an optimal solution for all participan ts in the transportation and road traffic system. After the first year, the most significant result of the project is the structural analysis of the references. Several comparative studies have been elaborated to create a basis for further research on estimation and optimal light-control systems. Objective: The goal of this project is to given opportunity to practice designing and implementing sequential machine in this case, a traffic light controller. In this project, intergated circuit(IC’s) was chosen to design to traffic controller. The purpose of this project is to design an automatic, save and efficient traffic flow to assign the right way of the road. This project it was needed to design traffic control signals and implement to ensure whether this circuit is functioning or not. From that decrease a waiting time in road can reduce traffic jam in the road. The expected results of this project are three lanes can green other lanes are red at the same time. The result of this project can implemented with bulbs. (RED,YELLOW,GREEN) Components Required 1. Integrated Circuit 1. IC-1 (555) 2. IC-2 (CD4017) 1. Resistors 3. R1 (10K) 4. VR1 (100K) 2. Capacitor 5. C1 (100mfd/ 16V) 3. Diode 6. D1-D9 (IN4007) 4. Transistor 7. T1 (BC148) 8. T2 (BC148) 9. T3 (BC148) 5. Miscellaneous 10. Three Relays 11. Battery (9V DC) 12. Neon lamp 13. Flexible wires 14. Soldering rod etc. CIRCUIT DIAGRAM: Figure: Circuit Diagram of Traffic System. Circuit Layout: Figure: Circuit Layout of Traffic System. PCB LAWOUT: Figure: PCB Layout of Traffic Signal. The working Principle: This circuit is self explanatory by its name, and can be used to control traffic in public places, or to demonstrate traffic rules in traffic-parks. IC2, which is heart of the circuit, is a decade counter. In this counter for every pulse fed to pin-14, potential keeps shifting from D1 to D9 in cyclic order. IC1 is used as a pulse generator and generates pulses in regular configurable intervals. These intervals can be changed by varying VR1. The circuit is designed in such a way that out of nine pulses, relay RL1 remains triggered for 4 pulses, relay RL2 for 1 pulse and relay RL3 for remaining 4 pulses. Since D1-D4 provide current to T1, T1 is on whenever there is potential on any diode D1 to D4, which keeps relay RL1 triggered. Similarly other diodes are responsible for RL2 and RL3 triggering. Red, Yellow and Green lamps can be connected to the relays RL1, RL2 and RL3 respectively to complete your mini traffic light controller. Figure: 4-Lane Road Traffic Signal Planning. DESCRIPTION OF MAJOR COMPONENTS: 555 Timers –IC It is basically an 8–pin timer IC, which can produce precise time delay. It works on wide range of power supply voltage from 3V to 18V. The function of each pin of the IC is given below – * Pin–1: it is connected to ground (0V) terminal of power supply. * Pin–2: It starts up timing cycle, when its voltage is less than ? Vcc, the output of IC becomes high (1). * Pin–3: it is output pin which either source or sinks current up to 200mA. * Pin–4: it is reset pin. When it is + ve, IC works normally. However, when it is –ve, IC stops its working completely. * Pin–5: control voltage pin. It may not be used in normal working. * Pin–6: it is threshold pin. It finalizes the timing cycle of the IC, when its voltage is equal to or greater than ? Vcc, the output of IC becomes low (0). * Pin–7: it is discharge pin. It discharges external capacitor into itself. * Pin–8: it is connected to + ve terminal of battery, generally 3–18V. When the trigger is applied (i. e. switch is closed), the Trigger terminal (inserting terminal of lower comparator) is directly connected to the ground(0V). This toggles the output of lower comparator from LOW to HIGH. So the SET terminal of FLIPFLOP is at HIGH, toggling the Q to LOW. The output is Figure: 555timer output with high frequency Figure: 555timer output with high frequency 4017 Decade Counter: The count advances as the clock input becomes high (on the rising-edge). Each output Q0-Q9 goes high in turn as counting advances. For some functions (such as flash sequences) outputs may be combined using  diodes. The reset input should be low (0V) for normal operation (counting 0-9). When high it resets the count to zero (Q0 high). This can be done manually with a switch between reset and +Vs and a 10k resistor between reset and 0V. Counting to less than 9 is achieved by connecting the relevant output (Q0-Q9) to reset, for example to count 0,1,2,3 connect Q4 to reset. The disable input should be low (0V) for normal operation. When high it disables counting so that clock pulses are ignored and the count is kept constant. The ? 10 output is high for counts 0-4 and low for 5-9, so it provides an output at 1/10 of the clock frequency. It can be used to drive the clock input of another 4017 (to count the tens). Resistor: A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. The current through a resistor is in direct proportion to the voltage across the resistors terminals. Thus, the ratio of the voltage applied across a resistors terminals to the intensity of current through the circuit is called resistance. This relation is represented by Ohms law: Figure: Symbol of Resistror. Capacitor: A capacitor (originally known as condenser) is a passive two-terminal electrical component used to store energy in an electric field. The forms of practical capacitors vary widely, but all contain at least two electrical conductors separated by a dielectric (insulator); for example, one common construction consists of metal foils separated by a thin layer of insulating film. Capacitors are widely used as parts of electrical circuits in many common electrical devices. The capacitor is a reasonably general model for electric fields within electric circuits. An ideal capacitor is wholly characterized by a constant capacitance C, defined as the ratio of charge  ±Q on each conductor to the voltage V between them: Figure: Symbol of Capacitor. Transistor: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. It is composed of semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistors terminals changes the current flowing through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. Today, some transistors are packaged individually, but many more are found embedded in integrated circuit Figure :Symbol of Transisitor. RELAY: A relay is an electrically operated switch. Many relays use an electromagnet to operate a switching mechanism mechanically, but other operating principles are also used. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal. The first relays were used in long distance telegraph circuits, repeating the signal coming in from one circuit and re-transmitting it to another. Relays were used extensively in telephone exchanges and early computers to perform logical operations. Figure: Symbol of Relay Traffic light is saved by the Pest Repellent: Things you will need†¢ IC 555 – 1 no. †¢ Resistors- R1 – 470k- R2 – 100 ohms, R3 – 100 ohms, R4, R5 – 1k, R6 – 47 ohms, †¢ LED – 1 no, Capacitors, †¢ Speaker – 1 no, C1 – 10 ? F / 25V (Electrolytic), C2 – 1000 ? F / 25V (Electronic), C3 – 0. 01 ? F (Ceramic), Battery, †¢ Speaker – 1 no, 9V and battery snap (1 no. ), †¢ LED – 1 no, †¢ Speaker – 1 no, †¢ Soldering iron and alloy. The ultrasonic pest repellent device available on the market but a major drawback is that their power output is low and their effectiveness suffers. This electronic pest repellent generates powerful ultrasonic signals to repel pests. That’s reason we can protect our traffic light by this device. In summer season, pest is attracted by light at night. That’s reason lights are unable to through their full focus. That’s reason we add pest repellent with Traffic Light. Advantage of Traffic Light Controller: The following is from section 4B. 3 of the Ohio Manual of Uniform Traffic Control Devices: When properly used, traffic control signals are valuable devices for the control of vehicular and pedestrian traffic. They assign the right-of-way to the various traffic movements and thereby profoundly influence traffic flow. Traffic control signals that are properly designed, located, operated, and maintained will have one or more of the following advantages: A. They provid e for the orderly movement of traffic. B. They increase the traffic-handling capacity of the intersection if: 1. Proper physical layouts and control measures are used, and 2. The signal operational parameters are reviewed and updated (in needed) on a regular basis (as engineering judgment determines that significant traffic flow and/or land use changes have occurred) to maximize the ability of the traffic control signal to satisfy current traffic demands. C. They reduce the frequency and severity of certain types of crashes, especially right-angle collisions. D. They are coordinated to provide for continuous or nearly continuous movement of traffic at a definite speed along a given route under favorable conditions. E. They are used to interrupt heavy traffic at intervals to permit other traffic, vehicular or pedestrian, to cross. Traffic control signals are often considered a panacea for all traffic problems at intersections. This belief has led to traffic control signals being installed at many locations where they are not needed, adversely affecting the safety and efficiency of vehicular, bicycle, and pedestrian traffic. Traffic control signals, even when justified by traffic and roadway conditions, can be ill-designed, ineffectively placed, improperly operated, or poorly maintained. Improper or unjustified traffic control signals can result in one or more of the following disadvantages: A. Excessive delay; B. Excessive disobedience of the signal indications;   C. Increased use of less adequate routes as road users attempt to avoid the traffic control signals; and   D. Significant increases in the frequency of collisions (especially rear-end collisions). CONCLUSION: Often the District is contacted by citizens that believe that traffic signal have many advantages and no disadvantages. While traffic signals can help

Twelfth Night Essays (2028 words) - Cross-dressing In Literature

Twelfth Night Twelfth Night ?Twelfth Night is a comedy of light and shade. Its characters are not unreservedly happy and the events are not unreservedly humorous.? Discuss. As a comedy, Twelfth Night is obviously intending to not only entertain its audience but also point out problems in society. It is imperative to entire merit of the play not to be realistic but to allow for empathy. Therefor to have a comedy of complete lightheartedness there would be no balance and hence no avenue for audience interaction. Without light we would have no darkness and for this reason Shakespeare has had to incorporate tragedy in order for the comedy to have it's desired effect. The two in juxtaposition accentuate each other. The characters of Twelfth Night are neither bluntly humorous nor artlessly tragic. Twelfth Night like all Shakespearean comedies is largely about social concerns. The social messages in Twelfth Night are largely about, the need for a balance in life, that you should not judge on appearance as they can be deceptive and the importance of self awareness or the humor in lack of. Neither is artlessly or bluntly humorous, as this would detract from the greater issues he in attempting to convey. Humor instead is used in contrast to some pain to antithesis the comedy and accentuate the themes. The plot of Twelfth Night is comic it explores many social issues in it's comedy yet is also not unrestrained in it's humor. As a comedy Twelfth Night follows, many conventions as far as structure, the setting is in a far away ?romantic? land, situation, and events somewhat steer the plot however this is certainly not without art or subtleties. Shakespeare has carefully intertwined comedy and pain in both the main and the sub plots to highlight the comedy and explore the social themes. The audience is forced to suspend disbelief that such a coincidence could occur. The audience is transported from their ordinary mundane existence and is transported into a world of chance, non-existent penalties for practical jokes and the unmistakable harmony of events. It is this incongruity compared to everyday life that is humorous. However, this summer, frivolris setting is not completely free from conflict. There is however, some predominately ?lighter? characters that serve as comic relief from the more serious main plot and represent a certain ?type? of people in society. Sir Toby and Sir Andrew would have been marvelously enjoyed by Shakespearean audiences as they are today. Not a scene goes by involving these to where we can laugh and the slow wit of Sir Andrew and the awkward puns of Sir Toby. However, we find the names and foolish antics of these two rather amusing. It is with a certain hesitance that we laugh at the gullibility of Sir Toby, his disillusioned love for Olivia is rather somber and balances our opinion of him. This balances is representative of all the characters in Twelfth Night, they may be predominately comic yet they are never completely comic or completely serious. This has the effect on Twelfth Night as making it more true to life and therefor we as the audience can relate and understand the themes. Malvolio and Feste are typical examples of characters that are seen as comic, yet when looking beyond these superficialities we see a far more important role of their character in the play. Feste, his name and title as a ?fool? is careful balance of light and shade. He is arguably the most intelligent character in the play and it is evident at the end of the play that he is the most powerful, because he concludes the play. Feste is certainly a vital link between not only the main and sub plots but also as a conveyer of the action to the audience. It is ironic that such wit and wisdom are found in the ?fool.? Cesario refers to Feste as, ?This fellow's wise enough to play the fool: / And to do that well craves wit.? The obvious key to understanding the themes Shakespeare is conveying we must closely examine the characters, with which he communicates. Feste is not a character of low, blunt comedy, his merriment is truthful not scornful or artless. Act 1