Computer Studies Past Questions and Answers

Question 431:

• JAMB 2023

What is the function of the escape key ?

A. To shutdown the computer
B. To start an application
C. To interrupt or cancel the current process or running program
D. To delete a file/folder

Question 432:

• JAMB 2023

Evaluate ${1011}_2+{122}_4$, leaving your answer in base 10.

A. 37
B. 51
C. 47
D. 73

Question 433:

• JAMB 2023

What part of the central processing unit coordinates other units and manages the computer resources ?

A. Coordinating unit
B. Memory unit
C. Arithmetic Logic unit
D. Control unit

Question 434:

• JAMB 2023

What does R stands for in the CRUD acronym ?

A. Retrieve
B. Redirect
C. Read
D. Relate

Question 435:

• JAMB 2023

Which of these is not true about peer-to-peer network ?

A. There is no dedicated servers
B. It has a strong security system
C. All computers in this network are known as peers
D. There is no hierarchy among the computers