A system of four gates is set up as shown. The 'truth table' corresponding to this system is: [JEE ONLINE 23-04-2013] |
A)
B)
C)
D)
Correct Answer: A
Solution :
[a] In the given system all four gate is NOR gate Truth TableA | B | ||||
0 | 0 | 1 | 0 | 0 | 1 |
0 | 1 | 0 | 1 | 0 | 0 |
1 | 0 | 0 | 0 | 1 | 0 |
1 | 1 | 0 | 0 | 0 | 1 |
A | B | Y |
0 | 0 | 1 |
0 | 1 | 0 |
1 | 0 | 0 |
1 | 1 | 1 |
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