Logic gates 
and Yhave the truth tables shown below
P | Q | R | P | R |
0 | 0 | 0 | 0 | 1 |
1 | 0 | 0 | 1 | 0 |
0 | 1 | 0 | ||
1 | 1 | 1 |
When the output of 
of connected to the input of 
, the resulting combination is equivalent to a single
Text Solution
Verified by ExpertsThe correct answer is:
C
The truth table of the resulting logic circuit by connecting 
to 
is as follows Hence, from the truth table, the combination is equivalent to a single NAND gate. (OR X is an AND gate and 
is a NOT gate, thus the combination is NOT AND gate, i.e., a NAND gate)
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