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Hard 3 Marks

Computer Studies Central Processing Unit (CPU)

Which of the following correctly identifies all three main CPU components and their roles?

A CU performs calculations ALU controls data flow Registers store programs permanently

B CU controls and coordinates ALU performs arithmetic and logic Registers provide fast temporary storage

C CU stores data ALU fetches instructions Registers decode operations

D CU manages secondary storage ALU manages primary memory Registers manage I/O devices

Explanation

CU controls and coordinates all operations. ALU performs arithmetic and logical operations. Registers provide fast temporary storage inside the CPU. These three work together to process instructions.

Reference: Computer Studies Textbook , Page 2

Hint

Match each component to its specific role — control calculate or store.

Explanation

Hint

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