First generation of computers, Basic Computer Science

THE FIRST GENERATION (1949-1955)

The computers in this generation have the following characteristics:

  •     Physically large in size
  •     Inflexible in operations
  •     Contained vacuum tubes
  •     Limited memory capacities
  •     Generated significant heat
  •     Low speed (of the order of milli-seconds, i.e. 10–3 seconds)

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