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

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2

How many digits are there in the octal number system?

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A

2

B

8

C

10

D

16

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3

What is the value of the hexadecimal digit 'A' in decimal?

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A

9

B

10

C

11

D

12

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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

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5

Convert the binary number 1011 to decimal.

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A

2

B

5

C

10

D

11

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6

What is the octal equivalent of the decimal number 25?

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A

15

B

20

C

20

D

31

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7

In hexadecimal, what comes after 'F'?

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A

G

B

H

C

10

D

Z

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8

How many digits are used in the octal number system?

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A

4

B

6

C

8

D

10

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9

What is the decimal equivalent of the binary number 1100?

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A

6

B

8

C

10

D

12

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10

Convert the octal number 17 to binary.

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A

 110

B

101

C

111

D

100

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