Unit 4 review_2

Unit 4 review_2

9th Grade

30 Qs

quiz-placeholder

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Unit 4 review_2

Unit 4 review_2

Assessment

Quiz

Information Technology (IT)

9th Grade

Practice Problem

Easy

Created by

Hải Đỗ Chí

Used 2+ times

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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the Arithmetic Logic Unit (ALU)?

Store program instructions

Control data flow between components

Perform calculations and logical operations

Manage input and output devices

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which CPU component is responsible for issuing commands to other hardware?

Memory Address Register (MAR)

Control Unit (CU)

Arithmetic Logic Unit (ALU)

Memory Data Register (MDR)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Program Counter (PC) store?

The result of the last calculation

The memory location being accessed

The address of the next instruction

The data being processed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which register temporarily holds the instruction the CPU is currently executing?

Accumulator (ACC)

Memory Data Register (MDR)

Program Counter (PC)

Current Instruction Register (CIR)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the Accumulator (ACC) in the CPU?

Store the memory address of the next instruction

Store results from the ALU

Decode instructions

Manage control signals

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which register holds the address of the memory location being accessed?

Memory Address Register (MAR)

Memory Data Register (MDR)

Current Instruction Register (CIR)

Program Counter (PC)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If data is being transferred to or from memory, which register is used?

Current Instruction Register (CIR)

Memory Data Register (MDR)

Program Counter (PC)

Accumulator (ACC)

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