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WB JECA MCA Digital Logic Previous Year Questions (PYQs)
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WB JECA MCA Digital Logic Previous Year Questions (PYQs)
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WB JECA MCA
Previous Year Questions
WB JECA MCA
Previous Year Questions
WB JECA MCA
Qus : 1
1
How many 2-input multiplexers are required to construct a 2^10-multiplexer?
1
1023
2
31
3
10
4
127
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Solution
2^n MUX needs (2^n - 1) 2-input MUX → 1023.
Qus : 2
1
Choose the correct answer: If X is a Boolean variable then
1
0 + X = X
2
1 + X = X
3
X + X = X
4
None of these
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Video Solution
Discussion
✓
Solution
Boolean algebra: 0+X = X.
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