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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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