analog computer meaning

  "analog computer" in a sentence
  • Noun: analog computer
    1. A computer that represents information by variable quantities (e.g., positions or voltages)
      - analogue computer [Brit, Cdn]

    Derived forms: analog computers

    Type of: computer, computing device, computing machine, data processor, electronic computer, information processing system

    Encyclopedia: Analog computer

  • [Medicine]
    Computers in which quantities are represented by physical variables; problem parameters are translated into equivalent mechanical or electrical circuits as an analog for the physical phenomenon being investigated. (McGraw-Hill Dictionary of Scientific and Technical Terms,4th ed)

  • [Computer]
    <computer, hardware> A machine or electronic circuit designed to work on numerical data represented by some physical quantity (e.g. rotation or displacement) or electrical quantity (e.g. voltage or charge) which varies continuously, in contrast to digital signals which are either 0 or 1.

    For example, the turning of a wheel or changes in voltage can be used as input. Analogue computers are said to operate in real time and are used for research in design where many different shapes and speeds can be tried out quickly. A computer model of a car suspension allows the designer to see the effects of changing size, stiffness and damping.


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  1. the analog computer measures continuously, without proceeding step by step.
  2. analog computers are general-purpose devices which employ laws of physics for performing mathematical operations.
  3. Project Typhoon was an analog computer developed by RCA in 1952.
  4. In more sophisticated versions, analog computers replaced the electronic controller.
  5. The implementation methods used in analog computers were many and varied.

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PC Version