5 generations of computer

Post on 07-Jul-2015

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5 GENERA-TIONS

MAIN LOGIC ELEMENT

MEMORY EXTERNAL STORAGEDEVICES

PROGRAM-MING

1ST

Generation(1951-1958)

VACUUMTUBES

Magnetic core Punched cards MachineLanguageAssembly Language

2nd

Generation(1959-1963)

TRANSISTORS Magnetic core Magnetic tape and disks

High-level Programming Languages

3rd

Generation(1963-1974)

INTEGRATED CIRCUIT

MOS (Metal Oxide Semiconductor)

Magnetic tape and disks

C ProgrammingLanguage

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