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Definitions[]

An analog computer is

a device that performs operations on data that are represented within the device by continuous variables having a physical resemblance to the quantities being represented.[1]
[a] computer whose operation is based on analog signals and that does not use Boolean logic operations and does not reject noise.[2]

Overview[]

The earliest analog computers were constructed with purely mechanical components, such as levers, cogs, cams, discs, and gears. These components represented the quantities being manipulated or the operator-inserted values. Modern analog computers usually employ electrical parameters, such as voltages, resistances, or currents to represent the quantities being manipulated.

References[]

  1. ATIS Telecom Glossary 2007 (full-text).
  2. Quantum Computing: Progress and Prospects, at 245.

See also[]

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