Generations of Computer

Third Generation Computer

Duration: 1964 to 1970s


Used: Integrated Circuit (IC) and larger capacity disks and magnetic tapes as secondary storage.


Language: High Level Language (COBOL, FORTRAN)


Example: NCR 395 and B6500





(1) Smaller, affordable, reliable and easy-to-use.

(2) Easier to upgrade than previous generation.

(3) Cheaper commercial production.





(1) Manufacturing difficult.

(2) Generates heat.

(3) Air-conditioning required.

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