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CPU Components Quiz

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

What does CPU stand for?

a)

Central Processing Unit

b)

Central Power Unit

c)

Central Program Unit

d)

Computer Processing Unit

2.

What is the role of the Control Unit in the CPU?

a)

Manages memory storage

b)

Performs calculations

c)

Regulates data flow

d)

Understands instructions and directs other components

3.

Which component of the CPU is responsible for mathematical and logical operations?

a)

Control Unit

b)

Registers

c)

Arithmetic Logic Unit (ALU)

d)

Clock

4.

What characteristic is essential for the Clock in the CPU?

a)

Fast and efficient

b)

Punctual and reliable

c)

Collaborative and organized

d)

Logical and precise

5.

What do Registers in the CPU primarily store?

a)

Instructions

b)

Data from memory

c)

Control signals

d)

Arithmetic operations

6.

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

a)

Stores data fetched from memory

b)

Stores memory addresses for data retrieval

c)

Holds the current instruction

d)

Counts the number of executed instructions

7.

What do Buses in the CPU manage?

a)

The timing of operations

b)

The storage of memory addresses

c)

The execution of instructions

d)

The flow of data around the CPU

8.

Which register counts the number of instructions executed?

a)

Current Instruction Register (CIR)

b)

Memory Data Register (MDR)

c)

Accumulator (Acc)

d)

Program Counter (PC)

9.

What characteristic is important for the Arithmetic Logic Unit (ALU)?

a)

Fast and reliable

b)

Logical and precise

c)

Punctual and organized

d)

Collaborative and efficient

10.

What does the Accumulator (Acc) register store?

a)

The current instruction

b)

Important data for calculations

c)

Data from the main memory

d)

Memory addresses

11.

What is the primary purpose of the Control Unit?

a)

To direct other components based on instructions

b)

To manage data flow

c)

To execute instructions

d)

To perform calculations

12.

Which of the following is NOT a component of the CPU?

a)

Control Unit

b)

Arithmetic Logic Unit

c)

Hard Drive

d)

Registers

13.

What do the Buses in the CPU resemble in terms of characteristics?

a)

Logical and precise

b)

Punctual and reliable

c)

Social, fast, and efficient

d)

Organized and efficient

14.

Which component is described as the 'calculator' of the CPU?

a)

Arithmetic Logic Unit (ALU)

b)

Registers

c)

Clock

d)

Control Unit