Overview Of Number Bases - SS3 ICT Past Questions and Answers - page 1
1
What is the base of the binary number system?
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A
Base-2
B
Base-8
C
Base-10
D
Base-16
2
How many digits are there in the octal number system?
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A
2
B
8
C
10
D
16
3
What is the value of the hexadecimal digit 'A' in decimal?
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A
9
B
10
C
11
D
12
4
In the decimal system, what does the digit '5' represent?
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A
1/5
B
5/10
C
5
D
50
5
Convert the binary number 1011 to decimal.
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A
2
B
5
C
10
D
11
6
What is the octal equivalent of the decimal number 25?
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A
15
B
20
C
20
D
31
7
In hexadecimal, what comes after 'F'?
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A
G
B
H
C
10
D
Z
8
How many digits are used in the octal number system?
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A
4
B
6
C
8
D
10
9
What is the decimal equivalent of the binary number 1100?
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A
6
B
8
C
10
D
12
10
Convert the octal number 17 to binary.
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A
 110
B
101
C
111
D
100
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