Hands on test-1

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HISTORY OF COMPUTERS Computer Generations Types of Devices Functional Elements Software and Hardware

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Computer Generations # of Generation Year of Coverage Device Used First 1951-1959 Vacuum tubes Second 1959-1964 Transistor Third 1965-1970 IC Fourth 1970-present Microprocessor

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Types Of Devices Start Vacuum Tubes Transistors IC End MP

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Input -refers to the feeding raw data or instructions to the CPU. Processing -Processing parts are: ALU, Main Memory and Control Unit. Output Final stage in computer operation. Functional Elements

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Software: -is what gives the computer “life”. It is intangible instruction that makes your computer functional. Hardware: -it is all the physical part of computer. Software and Hardware

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End of Show End of Show Thank you . God bless 

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