5 generations of computer

Download 5 generations of computer

Post on 07-Jul-2015

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  • 1. 5MAINMEMORY EXTERNAL PROGRAM-GENERA-LOGICSTORAGE MINGTIONSELEMENTDEVICES1ST VACUUM Magnetic corePunched cards MachineGeneration TUBESLanguageAssembly(1951-1958) Language2nd TRANSISTORS Magnetic core Magnetic tape High-levelGenerationand disks ProgrammingLanguages(1959-1963)3rd INTEGRATED MOS (Metal Magnetic tape C ProgrammingGeneration CIRCUIT Oxideand disks Language Semiconductor)(1963-1974)