The Zuse Z 11 was the first programmable relay computer from ZUSE KG to go into series production. It was used for mathematical calculations, its hard-wired programs having been designed for surveying tasks in particular. The last in a development series of electro-mechanically controlled computer systems, it contained relays as binary switching elements. These may have been slower than vacuum tubes, but were also more reliable, more durable and less expensive. v


  • Title: Zuse Z 11
  • Creator: Zuse KG
  • Date: 1958
  • Location: Bad Hersfeld

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