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Computer Hardware Quiz

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Question 1

Convert 10000110 from binary to denary

134
251
64
235

Question 2

Why do computers use binary?

It uses more numbers
It matches the on/off states of electronic components
It is easier to read
It is faster for humans

Question 3

How is data stored on a hard disk?

As holes in a metallic layer
As pulses of light
As positive and negative magnetic charges
As positive and negative electrical charges

Question 4

What is 01111101 + 00001110?

10110111
10001011
01010111
01101010

Question 5

Convert 91 from denary to binary

01010100
01011011
00110100
11000110

Question 6

What is 01011010 + 10011100?

11010000
00011101
11110110
10100111

Question 7

Which of the following is the largest?

Twenty nibbles
500 kilobytes
500 bytes
One megabyte

Question 8

What is 11100010 + 00010001?

10111100
11111010
11100110
11110011

Question 9

Convert 01001011 from binary to denary

226
176
229
75

Question 10

Convert 80 from denary to binary

10100011
01010000
11101110
00111011
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