Electronika 60

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Electronika 60
Electronika 60M
Type Microcomputer
Operating system RT-11 and other
Memory 4k 16-bit words; max 32k 16-bit words

The Electronika 60 (Russian: Электроника 60) is a terminal computer made in the Soviet Union by Electronika in Voronezh. It is a clone of an LSI-11 (made by the Digital Equipment Corporation).

The Electronika 60 is a rack-mount unit that serves as a part of computing complex also comprising a 15IE-00-013 terminal and I/O devices. The main logic unit is located on the M2 CPU board.

M2 CPU Technical Characteristics:

  • Word length: 16 bit
  • Address space: 32K-words (64KB)
  • RAM size: 4K-words (8KB)
  • Number of instructions: 81
  • Performance speed: 250,000 operations per second
  • Floating point capacity: 32 bit
  • Number of VLSI chips: 5
  • Board dimensions: 240 × 280mm

The original implementation of Tetris was written for the Electronika 60 by Alexey Pajitnov. As the Elektra 60 has no graphics capability, text was used to form the blocks. [1]


  1. ^ Hoad, Phil (June 2, 2014). "Tetris: how we made the addictive computer game". The Guardian. 

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