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Sunday 9 October 2011

(Lecture 32) Arithmetic Logic Unit (A-LU)

The Arithmetic and Logic Unit (A-LU) another component of the processor performs arithmetic, comparison, and logical operation.  Arithmetic operations include basic calculation such as addition, subtraction, multiplication and division.  Logical operation include conditions along with logical operator such as AND, OR, and NOT.  For example, if only employees paid hourly can receive overtime pay, the A-LU must verify to condition before computing an overtime wage.

  1. The employee is paid hourly AND
  2. The employee worked more than 40 hours

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