COMPUTER ARCHITECTURE
CPU ARCHITECTURE AND ORGANIZATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The portion of a computer that fetches and executes instructions is called?
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Memory
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Central processing unit
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Register
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Cache
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Explanation:
Detailed explanation-1: -The computer’s central processing unit (CPU) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the processor.
Detailed explanation-2: -The word ‘Computer’ usually refers to the Central Processor Unit plus External memory. External storage enables users to store data separately from a computer’s main or primary storage and memory at a relatively low cost.
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