CPU & LMC

CPU & LMC

Assessment

Flashcard

Computers

7th - 11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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20 questions

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1.

FLASHCARD QUESTION

Front

What is the main function of the CPU?

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Back

To carry out the fetch-decode-execute cycle.

2.

FLASHCARD QUESTION

Front

What are the two main parts of a program instruction?

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Back

Opcode and Operand

3.

FLASHCARD QUESTION

Front

What happens during the fetch stage?

Back

The CPU fetches data and instructions from main memory and stores them in its own registers.

4.

FLASHCARD QUESTION

Front

What is the purpose of the CPU's registers?

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Back

They are used to temporarily store data and instructions.

5.

FLASHCARD QUESTION

Front

What is the purpose of the Program Counter (PC) register?

Back

This is used to store the memory address of the next instruction.

6.

FLASHCARD QUESTION

Front

What is the purpose of the Memory Address Register (MAR)?

Back

This holds the instruction to be carried out by the CPU.

7.

FLASHCARD QUESTION

Front

What is the purpose of Memory Data Register (MDR)?

Back

This holds the location of where the data will be loaded from or stored.

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