What are the features of second generation computers?

Salient Features of Second generation computers:

  • Use transistor based technology.
  • Were smaller and less expensive as compared to first generation.
  • Consumed less electricity and emitted less heat.
  • Magnetic core memories and magnetic disks were used as primary and secondary storage respectively.
  • First operating system developed.
  • Programming in assembly language and in the later part high level languages were used.
  • Wider commercial use but commercial production was still difficult.
  • They also required constant air-conditioning.
  • Examples: IBM 1401, IBM 1620, UNIVAC 1108

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