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Number systems
5 Class 9 Computer Science questions with answers and explanations.
Printable worksheet with answer key
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The base of the binary number system is:
- 1 8
- 2 16
- 3 2
- 4 10
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What is the decimal value of the binary number 101?
- 1 6
- 2 7
- 3 3
- 4 5
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What is the binary form of the decimal number 6?
- 1 101
- 2 110
- 3 111
- 4 100
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Which digit is not used in the binary system?
- 1 1
- 2 0
- 3 All are used
- 4 2
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The base of the hexadecimal system is:
- 1 8
- 2 16
- 3 2
- 4 10