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MIR (computer)

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MIR (computer)
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MIR (Russian:МИР) is a series of early Soviet transistorized minicomputers. It was developed from 1965 (MIR), 1968 (MIR-1) to 1969 (MIR-2). The development team was led by Victor Glushkov.

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Overview

MIR (МИР) stands for «Машина для Инженерных Расчётов» (Machine for Engineering Calculations) and means both "world" and "peace" in Russian. It was designed as a relatively small-scale computer for use in engineering and scientific applications. Among other innovations, it contained a hardware implementation of a high-level programming language capable of symbolic manipulations with fractions, polynomials, derivatives and integrals. Another innovative feature for that time was the user interface combining a keyboard with a monitor and light pen used for correcting texts and drawing on screen.

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Technical specifications

Technical specifications for MIR-1:[1]

  • memory unit: 4096 12-bit words of core memory (access time 2.5 microseconds, memory cycle time 16 microseconds)
  • external storage: 8-track punched tape. Input device: paper tape reader FS-1501 (up to 1500 symbols/second). Output device: tape punch PL-80 (up to 80 characters per second)
  • performance: 200-300 arithmetic operations per second on five-digit numbers
  • power consumption: 1.5 kW (using 380V three-phase electric power)
  • weight: about 400 kg
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See also

References

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