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Computer Fundamentals - Engineering

Q1:

The essential features of a number system are

A Radix

B Set of distinct counting digits

C bits

D Both (a) & (b)

E None of the above

ANS:D - Both (a) & (b)

Radix or Base : is the total number of unique digits (including zero) used to represent numbers in a numeral system.

Example 1 : In a decimal system the radix is ten (10), because it uses a total of 10 digits from 0 to 9.
Example 2 : In a binary system the radix is two (2), because it uses only 2 digits that is 0 and 1.