Select the incorrect option : a) (101)10 = (1100101)2 b) G is valid in hexadecimal system. c) C represents 12 d) The base of a decimal number system is 10.

Select the incorrect option : a) (101)10 = (1100101)2 b) G is valid in hexadecimal system. c) C represents 12 d) The base of a decimal number system is 10.
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Answer: b Explanation: G is not a valid hexadecimal number. In this system , only representations from A to E are used to represent the numbers from 10 to 15. The base of the hexadecimal number system is 16
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