Waec Computer Studies Past Questions and Answers

Question 21:

• WAEC 2014

The process of restarting a computer is known as ____________

A. Cold booting
B. Warm booting
C. Resume booting
D. Restart booting

Question 22:

• WAEC 2014

Evaluate the BASIC statement:
LET Z = 4*W^2 + 2*Y
Given that W = 5 and Y = 10

A. 50
B. 80
C. 100
D. 120

Question 23:

• WAEC 2014

Given that 26 \(_10\) = X \(_2\), X is ____________

A. 11011
B. 11010
C. 11110
D. 10111

Question 24:

• WAEC 2014

In hexadecimal number system, B, D, E represent ____________

A. 11, 12, 13 respectively
B. 12, 14, 15 respectively
C. 13, 14, 15 respectively
D. 14, 16, 17 respectively

Question 25:

• WAEC 2014

The conversion of 11001 \(_2\) to base 10 equals ____________

A. 30
B. 28
C. 25
D. 20