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Lexikon's History of Computing |
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Examples of Vacuum Tubes in Computers |
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Vacuum Tube Chronology of Development Vacuum Tubes in the ENIAC (1946) (Photos) Vacuum Tubes (IBM Pluggable Gangcircuit) (1951) |
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The biggest advancement, however, came in the 1970's when microprocessor technology allowed transistor circuitry to be miniaturized onto a tiny chip of silicon. Silicon is a type of semiconductor. During chip production, silicon wafers were used to create many individual chips. (See Silicon Wafer with Chips). |
Example of Microprocessor Chips
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Computers now come in various sizes, from the large supercomputers down to laptops, palmtops, and microcomputers on a single chip. |
Examples of Computers by Size
Photo Examples of Computers of Various Sizes
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Large Supercomputer |
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Large Minicomputer: DEC |
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Example of Relatively New Technology |
