An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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central processing unit (CPU)
  یکای ِ آمایش ِ مرکزی  
yekâ-ye âmâyeš-e markazi
Fr.: unité centrale de traitement  

The primary component of a → computer that processes instructions. It runs the → operating system and → applications, constantly receiving input from the user or active → software programs. The CPU has two typical components:

  1. Control Unit, which extracts instructions from memory and decodes and executes them.
  2. Arithmetic Logic Unit (ALU), which handles arithmetic and logical operations.

See also: → central; → processing; → unit.