Arithmetic logic unit

:This article is about computer arithmetic units. An alternative meaning of ALU is Alu sequence (note lowercase).

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The arithmetic logic unit/arithmetic-logic unit (ALU) of a computer's CPU is a part of the execution unit, a core component of all CPUs. ALUs are capable of calculating the results of a wide variety of basic arithmetical computations.

Related Topics:
Computer - CPU - Execution unit - Arithmetic

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As good as all modern computer ALUs use the two's complement binary number representation (whereas some early computers used one's complement and yet others the sign-magnitude format).

Related Topics:
Two's complement - One's complement - Sign-magnitude

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