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3.1 to 3.5 Central Processing Unit

Total questions: 19

Worksheet time: 20mins

Name
Class
Date
1.

What are the physical components of a computer system?

(a)  

2.

What is the component in a computer system that processes data and instructions?

(a)  

3.

What is the cycle through which data and instructions are processed?

(a)  

4.

What is the design of a computer system, including the components it contains?

(a)  

5.

What is a computer system that performs a dedicated function?

A computer system that is very good at one thinks for example a Nintendo Switch or a washing machine.

(a)  

6.

What is the stage where the data is fetched from the RAM?

a)
Fetch stage
b)

Sorry, I am not a genius

c)
Execute stage
d)

decode stage

7.

Explain how an instruction is fetched in a Von Neumann model computer.

4 lines
8.

What is a set of commands that can be processed by a certain CPU?

(a)  

9.

What is the component in the CPU that performs all the mathematical and logical operations required when processing data and instructions?

(a)  

10.

What is the register built into the ALU that stores the result of any temporary calculations?

(a)  

11.

What are the wires used for the transmission of control signals between components in a computer?

(a)  

12.

What component in the CPU is responsible for ensuring that the fetch-decode-execute cycle is performed correctly?

(a)  

13.

Where is data stored before it is fetched into the CPU?

(a)  

14.

What is the role of a bus?

a)
A bus is used to power the computer's hardware.
b)

You can use the school bus to go to school or to do the grocery shopping.

c)
The role of a bus is to transfer data between components in a computer system.
d)
A bus connects the keyboard to the monitor.
15.

Which three main factors affect the CPU performance?

(a)  

16.

What is the part of the CPU that contains all the components used to perform the fetch-decode-execute cycle?

(a)  

17.

What is the number of fetch-decode-execute cycles that can be performed in a second?

(a)  

18.

What is clock speed measured in?

(a)  

19.

What is a type of storage that is built into the CPU to store the most frequently used data and instructions?

(a)