Z4 (computer) - Specifications

Specifications

  • Frequency: (about) 40 hertz
  • Average calculation speed: 400 ms for an addition, 3 seconds for a multiplication. Approximately 1000 floating point arithmetic operations on average an hour.
  • Programming: holes in 35mm film stock, punched on a programming machine
  • Input: Decimal floating point numbers, punch tape
  • Output: Decimal floating point numbers, punch tape or Mercedes typewriter
  • Word length: 32 bits floating point
  • Elements: (about) 2,500 relays, 21 step-wise relays
  • Memory: Mechanical memory as for the Z1 (64 words, 32 bit)
  • Power consumption: (about) 4 kW

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