information Interchange is invented in 1963. It allows computers to exchange information. General electronic corporation invents ERMA (electronic recording machine accounting) in 1959. Third Generation (the integrated circuit age) First computers built with integrated circuits which contains multiple resistors and electronic chips into one chip. Introduced in 1964. IBM invents System/360. They are a line of compatible computers that use the same programs in 1964. DEC invents first minicomputer
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PERSONAL COMPUTER “Microcomputer” is a term used to refer to computers that contain a microprocessor. This type of computer is known by its familiar name- the PC. This is the type of computer that someone is mostly to use. As the name suggest‚ a microprocessor is a very small processor. This is in the form of a silicon chip like a Pentium Processor. Since they use smaller processors‚ microprocessors are smaller than the other form of computers‚ yet they are the most important of all. They
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7 | INTRODUCTION | 1 | 8 | FM TRANSMITTER CIRCUIT DISCRIPTION | 2 | 9 | ASSEMBLY INSTRUCTION | | 10 | CIRCUIT CALLIBRATION | | 11 | LEARNING EXPERIENCE | | 12 | LIST OF COMPONENTS | | 13 | CONCLUSION | | 14 | APPENDIX | | 15 | FUTURE PROSPECTS & INNOVATIONS | | 16 | REFERENCES | | LIST OF SYMBOLS 1. L INDUCTANCE 2. R RESISTANCE 3. C CAPACITANCE 4. V VOLTAGE LIST OF FIGURES 1. Figure 3.1:Fm transmitter circuit design 2. Figure 5.1: LIST OF TABLES
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PAGE No. Abstract 2 1. Introduction 2 2. Summative account of the papers studied 3 3.1. Minutiae recognition system based on genetic algorithms 3 3.2. Fingerprint matching algorithms for integrated circuit cards 4 3.3. Algorithm based on tree comparisons using ratio of relational distances. 5 3. Comparative account of the papers studied 6 4. Conclusion 6 5. References 7 A SURVEY ON FINGERPRINT VERIFICATION
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Brake lights flasher circuits This circuit will allow the brake light was flashing. The default behavior. When the power supply to the circuit‚ Or tap the brake it. The IC timer IC2 drive current to transistor Q2 and producing oscillator output‚ pulse signal output at pin 3 to input pin 1 of IC1-CD4024. Count pulse and stops counting after 8 pulses‚ with pin 2 of IC1 is reset. The transistor Q1 will trigger the IC2‚ and pin 3 of IC2 change status as well. The voltage drop across R3‚ the voltage
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111 Islamiat & Pakistan Studies 1 0 1 Eng 112 English 2 0 2 AMath 123 Applied Mathematics-I 3 0 3 APhy 112 Applied Physics 1 3 2 ACh 112 Applied Chemistry 1 3 2 Comp 112 Computer Fundamentals 1 3 2 El.T 114 Electrical Circuits 3 3 5 El.T 123 Electronics Devices 2 3 3 El.T 132 Engineering Drawing & Computer Aided Design 0 6 2 El.T 141 Electrical Wiring 0 3 1 T o t a l 14 24 22 SECOND YEAR Gen 211 Islamiat & Pak Studies 1 0 1 AMath 213 Applied
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applications. During this time the first electronic digital computers were developed. Originally they were the size of a large room‚ consuming as much power as several hundred modern personal computers (PCs).[1] Modern computers based on integrated circuits are millions to billions of times more capable than the early machines‚ and occupy a fraction of the space.[2] Simple computers are small enough to fit into mobile devices‚ and mobile computers can be powered by small batteries. Personal computers
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transistor is a semiconductor device that amplifies and switches electrical currents. They are the core component of any modern electronic devices‚ such as computer‚ telephones and other electronics. Nowadays most transistors are use to produce integrated circuits. There were a numerous inventions‚ or problems with the inventions that lead to the birth of the transistor. Radio signals‚ could be sent carrying information over a long distance away; the only problem was there was no device to receive the signal
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the Q of a resonant circuit causes its bandwidth to increase. 3. Good selectivity usually means narrow bandwidth. 4. True. A tuned circuit can provide voltage gain. 5. Cascading tuned circuits cause the selectivity to increase. 6. If the selectivity of a tuned circuit is too sharp‚ the sidebands of the received signal may be attenuated. 7. A tuned circuit has a Q of 100 at its resonant frequency of 500 kHz. Its bandwidth is 5 kHz. 8. A parallel LC tuned circuit has a coil of 3µHz
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at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor’s terminals changes the current flowing through another pair of terminals. Because the controlled (output) power can be much more than the controlling (input) power‚ the transistor provides amplification of a signal. Today‚ some transistors are packaged individually‚ but many more are found embedded in integrated circuits. The transistor is the fundamental building block of modern
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