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The central processing unit ([[CPU]]) of a [[computer]] is actually made up of several different elements -- the [[control unit]], the [[arithmetic/logic unit]] ([[ALU]]), the [[register]]s, and the basic [[input/output]] ([[I/O]]) unit, and often other [[hardware]] closely linked with these elements.
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The '''central processing unit''' ([[CPU]]) of a [[computer]] is actually made up of several different elements -- the [[control unit]], the [[arithmetic/logic unit]] ([[ALU]]), the [[register]]s, and the basic [[input/output]] ([[I/O]]) unit, and often other [[hardware]] closely linked with these elements.
   
 
Early [[CPU]]s were composed of many separate components but since the mid-1970s CPUs have typically been constructed on a single [[integrated circuit]] called a [[microprocessor]].
 
Early [[CPU]]s were composed of many separate components but since the mid-1970s CPUs have typically been constructed on a single [[integrated circuit]] called a [[microprocessor]].

Revision as of 21:27, 10 October 2007

The central processing unit (CPU) of a computer is actually made up of several different elements -- the control unit, the arithmetic/logic unit (ALU), the registers, and the basic input/output (I/O) unit, and often other hardware closely linked with these elements.

Early CPUs were composed of many separate components but since the mid-1970s CPUs have typically been constructed on a single integrated circuit called a microprocessor.