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COMPUTER GENERATIONS - Coggle Diagram
COMPUTER GENERATIONS
Second Generation
1950s – 1960s
Transistor Based
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Exp : CDC 3600 , CDC 1604
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Third Generation
1960s – 1970s
Integrated Circuit Based
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Exp: IBM 370, PDP-11, IBM System/360, UNIVAC 1108, Honeywell-6000, DEC series, and ICL 2900.
CHARACTERISTICS
As compared to previous generations, the third generation computers were more reliable, fast, efficient, less expensive, and smaller in size.
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Fourth Generation
1970s – Present
Microprocessor Based
made up of thousands of integrated circuits that are assembled on a single chip known as a silicon chip
Exp:STAR 1000, CRAY-X-MP(Super Computer), DEC 10, PDP 11, and CRAY-1
CHARACTERISTICS
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The processing power, or speed, has skyrocketed
In this generation, microcomputers became the most affordable.
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First Generation
1940 to 1956
vacuum-tube computer
Exp : ENIAC, EDVAC, IBM-701, and IBM-650:
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