engineering recuitment ISRO Scientist Computer Science Mock Test Digital Logic Number Representations and Computer Arithmetic Minimization of Boolean Expression
The truth table of a XY flip flop is as follows
|
X |
Y |
\({Q_{n + 1}}\) |
|
0 |
0 |
\(\overline {{Q_n}}\) |
|
0 |
1 |
1 |
|
1 |
0 |
0 |
|
1 |
1 |
\({Q_n}\) |
Characteristic equation of the XY flip – flop–
1
\(X{Q_n} + \bar{Y}\bar{Q{_n}}\)
2
\(\bar X{Q_n} + Y{Q_n}\)
3
\(X\bar{Q{_n}} + \bar Y{Q_n}\)
4
\( \bar{X}\bar{Q{n}} + YQ{_n}\)