Question

Digits used to represent a number to the base $2$ are:

• A. $\{3,4\}$
• B. $\{2,3\}$
• C. $\{1,2\}$
• D. $\{0,1\}$

Answer 1

The correct option is D $\{0,1\}$

If two is used as a base to represent a number, it is called Binary system.

In binary system we use $0s$ and $1s$ to represent the given number.