COMPUTER SCIENCE AND ENGINEERING
COMPUTER ORGANIZATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the part of the CPU called that performs calculations?
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ALU
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Control Unit
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Program Counter
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Memory
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Explanation:
Detailed explanation-1: -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 explanation-2: -An arithmetic-logic 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 explanation-3: -The ALU performs simple addition, subtraction, multiplication, division, and logic operations, such as OR and AND. The memory stores the program’s instructions and data.
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