or 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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water – or in bodily fluids. Biodegradable electronics.These are electronic circuits and devices with a limited lifetime owing to their tendency to biodegrade. Such devices are proposed to represent useful medical implants. This idea was expanded using paper-based substrates. Silk coatings could underpin an electronic device because it melts away when the device is no longer needed. One test device‚ a heating circuit powered by beaming radio waves at it‚ was implanted under the skin of a rat
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Section 1 Verbal Ability No. of Questions: 20 Duration in Minutes: 20 Assessments by Merit Track Directions for Questions 1-3 : Choose the option which will correctly fill the blank. 1) I am writing to enquire _________the possibility of hiring a conference room at the hotel on the 2nd of September. A) Of B) About C) Into D) after 2) _________ having her lunch‚ she stood - the tree and waited _______ him. A) With‚ below‚ for B) After‚ under‚ for C) Inside‚ further‚ to D) About‚ across
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MOLETRONICS-“an invisible technology” ABSTRACT As a scientific pursuit‚ the search for a viable successor to silicon computer technology has garnered considerable curiosity in the last decade. The latest idea‚ and one of the most intriguing‚ is known as molecular computers‚ or moletronics‚ in which single molecules serve as switches‚ "quantum wires" a few atoms thick serve as wiring‚ and the hardware is synthesized chemically from the bottom up. The central thesis of moletronics
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1Introduction 5 2 Circuit diagram 6 3 Circuit components 7 3.1 LDR 7 3.2 Resistors 8 3.2.1 Color code 8 3.3 IR LED 9 3.4 LED 11 3.5 OP-AMP 12 3.5.1 OP AMP LM 324 13 3.6 Transistor 15 3.6.1 Transistor 2N2222 15 3.7 SCR 16 3.7.1 SCR C106MG 18 C106MG 19 3.8V Battery 19 3.9 Photo diode 20 Principle of operation 21 3.9.1 IR Photo diode 21 3.10 Switches 22 3.11 Buzzer 23 3.11.1Mechanical buzzer 24 3.11.2 Electromechanical buzzer 24 3.11.3 Piezo buzzer 24 Uses 25 4 Working of circuit 26 5 Result 27 6 Applications
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GENERATION OF COMPUTERS The term generation indicates the type of technology used in the computer construction. As new technology was emerging‚ it was being used in the making of computer. The new technology improved the speed‚ accuracy and storage capacity of the computers. Different technologies have been used for computers in different times. Therefore‚ computers can be divided into five generations depending upon the technologies used. These are: First Generation (1940 - 1956) Second
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2 Areas of data processing 1. Business Data processing (BDP) . Business data processing is characterized by the need to establish‚ retain‚ and process files of data for producing useful information. Generally‚ it involves a large volume of input data‚ limited arithmetical operations‚ and a relatively large volume of output. For example‚ a large retail store must maintain a record for each customer who purchases on account‚ update the balance owned on each account‚ and a periodically present a
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business communications segment and management would like to see market share double in the next five to six years. Mitel Semiconductors is quickly approaching full capacity at its Bromont Foundry that performs the entire FAB portion of the integrated circuit manufacturing process. In order to meet management’s goal of doubling market share over the next five to six years‚ Mitel Semiconductors needs to figure out a way to dramatically increase production to keep pace with demand. Since traditionally
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RC Circuits •In this presentation‚ circuits with multiple batteries‚ resistors and capacitors will be reduced to an equivalent system with a single battery‚ a single resistor‚ and a single capacitor. Kirchoff ’s laws will be stated‚ and used to find the currents in a circuit. In addition‚ the equation for the time-constant of an RC circuit will be derived. Ohm ’s Law When a battery is connected to a resistor‚ the battery will cause a current to flow through the resistor. The larger the voltage
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world’s first single chip microprocessor‚ the Intel 4004 (U.S. Patent #3‚821‚715)‚ invented by Intel engineers Federico Faggin‚ Ted Hoff‚ and Stanley Mazor. After the invention of integrated circuits revolutionized computer design‚ the only place to go was down -- in size that is. The Intel 4004 chip took the integrated circuit down one step further by placing all the parts that made a computer think (i.e. central processing unit‚ memory‚ input and output controls) on one small chip. Programming intelligence
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