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6 Cards in this Set
- Front
- Back
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development of computers
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Abacus (500 BC)
Pascaline (1642)-Blaise Pascal Punch cards(1801)-Joseph Jacquard Difference Engine/Analytical Engine(1822)- Charles Babbage First programmer-Ada Augusta Lovelace Census Bureau (1890)-Herman Hollerith |
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who created the ENIAC?
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Mauchly & Eckert. It was the first computer based entirely on vacuum tubes
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First Generation 1951–1958
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Vacuum tubes. UNIVAC I (1951)- First computer built for a data processing application. Punched cards. Machine language being replaced by assembly language. FORTRAN.
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Second Generation 1959 – 1963
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Transistors
DEC introduced PDP-1 (1960) First minicomputer IBM began work on System 360 series(1961) Magnetic tapes and disks COBOL, Basic, and PL1 |
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Third Generation 1964 – 1970
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Integrated circuits
Circuits reside on a single chip IBM introduced System 360 series (1964) RPG and Pascal |
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Fourth Generation 1971-present
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LSI and VLSI,many circuits on a single chip
Development microprocessor by Intel(1971) MITS, Inc. –first commercially successful microcomputer (1975) Apple II (1977), Tandy’s TRS-80 (1979), IBM PC(1981) Ada |
