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Class 12 NEET Physics Semiconductor Electronics Part 1
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© examsnet.com
Question : 10
Total: 100
The figure shows a logic circuit with two inputs A and B and the output C. The voltage wave forms across A, B and C are as given. The logic circuit gate is
(2012)
OR gate
NOR gate
AND gate
NAND gate
Validate
Solution:
The truth table of the given waveform is as shown in the table.
Time interval
Input A
Input B
Output B
0 to
t
1
0
0
0
t
1
to
t
2
1
0
1
t
2
to
t
3
1
1
1
t
3
to
t
4
0
1
1
t
4
to
t
5
0
0
0
t
5
to
t
6
1
0
1
>
t
6
0
1
1
The logic circuit is OR gate.
© examsnet.com
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