COMPUTER SCIENCE AND ENGINEERING
COMPUTER ORGANIZATION
Question
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What is the part of the CPU called that performs calculations?

ALU


Control Unit


Program Counter


Memory

Explanation:
Detailed explanation1: The arithmetic logic unit (ALU) performs mathematical calculations; it is the part that computes. The ALU is fed instructions by the control unit, which acts as a traffic cop, sending instructions to the ALU.
Detailed explanation2: An arithmeticlogic unit is the part of a central processing unit that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units: an arithmetic unit (AU) and a logic unit (LU).
Detailed explanation3: The ALU performs simple addition, subtraction, multiplication, division, and logic operations, such as OR and AND. The memory stores the programâ€™s instructions and data.
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