Figure gives a system of logic gates. From the study of truth table it can be found that to produce a high output (1) at 
, we must have
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The truth table can be written as
0 | 1 | 1 | 0 | 1 | 1 | 0 |
1 | 1 | 0 | 0 | 1 | 1 | 0 |
1 | 0 | 0 | 1 | 0 | 0 | 1 |
0 | 0 | 1 | 1 | 1 | 1 | 0 |
Hence 
gives output 
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