Q.
To get an output in given circuit which of the following input will be correct?
A
B
C
(a)
1
0
0
(b)
1
0
1
(c)
1
1
0
(d)
0
1
0
| A | B | C | |
|---|---|---|---|
| (a) | 1 | 0 | 0 |
| (b) | 1 | 0 | 1 |
| (c) | 1 | 1 | 0 |
| (d) | 0 | 1 | 0 |
3870
214
AIPMTAIPMT 2012Semiconductor Electronics: Materials Devices and Simple Circuits
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Solution:
The Boolean expression of the given circuit is
The table truth of the given inputs is as shown in the table.
Inputs
output
A
B
C
1
0
0
0
1
0
1
1
1
1
0
0
0
1
0
0
From the above truth table it is clear that , when and
| Inputs | output | ||
|---|---|---|---|
| A | B | C | |
| 1 | 0 | 0 | 0 |
| 1 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 |
| 0 | 1 | 0 | 0 |