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Computer Studies Past Questions and Answers

Waec Computer Studies Questions

Question 91:

The part of the computer system shown in Figure 11 is used to ____________

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A Perform memory test
B Power on or off the computer
C Print a document from the computer
D Reset the computer to factory setting

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Question 92:

A single character in an EBCDIC encoding system can be represented using ____________

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A 4 bits
B 6 bits
C 8 bits
D 16 bits

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Question 93:

Evaluate 10011\(_2\) - 1111\(_2\) ____________

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A 00010\(_2\)
B 00100\(_2\)
C 01000\(_2\)
D 10000\(_2\)

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Question 94:

The binary number 0.1101 in decimal is ____________

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A 0.8125
B 0.8215
C 0.8225
D 0.8512

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Question 95:

To prevent unforeseen data loss, a user must ____________

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A Edit the data
B Create the data
C Backup the data
D Defragment the data

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