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Computer Science Set-1
Digital Logic
Digital Logic MCQ with Answers
66)
If set x = {a, b, c, d}, then number of binary operations that can be defined on x is
42
24
216
416
Answer
Answer is:
216
67)
The number of Boolean functions that can be deined for n Boolean variables over k-valued Boolean algebra are
22n
kkn
nk
n
Answer
Answer is:
kkn
68)
The minimum number of NAND gates required to implement the Boolean function. A + AB' + AB'C is equal to
zero
1
4
7
Answer
Answer is:
zero
69)
Which of the following logic expression is incorrect?
1⊕ 0 = 1
1⊕ 1 ⊕ 0 =1
1 ⊕ 1 ⊕ 1 = 1
1 ⊕ 1 = 0
Answer
Answer is:
1⊕ 1 ⊕ 0 =1
70)
Even parity is being used for error checking computer data. If data word to be transmitted is 0101 0111, the value of the parity will be
0
1
1 or 0
0
Answer
Answer is:
1
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