NIELIT 2016 MAR Scientist C - Section C: 37

Question

A sequential circuit outputs a $\text{ONE}$ when an even number$(>0)$ of one’s are input; otherwise the output is $\text{ZERO}.$ The minimum number of states required is

• A. $0$
• B. $1$
• C. $2$
• D. $3$

Answer 1

ONLY 2 state require

1. EVEN:-output is 1 when even number of 1
2. ODD:-output is 0 whn odd number of 1.

Option C