Waec Computer Science Past Questions For Year 2014
Question 41
The conversion of 11001 \(_2\) to base 10 equals_______
- A. 30
- B. 28
- C. 25
- D. 20
Question 42
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 43
Given that 26 \(_10\) = X \(_2\), X is _________
- A. 11011
- B. 11010
- C. 11110
- D. 10111
Question 44
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 45
The process of restarting a computer is known as ________
- A. Cold booting
- B. Warm booting
- C. Resume booting
- D. Restart booting
