Digital Electronics Lab
Authored by ahsan naqvi
Other
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1. Logic Gates are the building blocks of all circuits in a computer.
a) True
b) False
C)None of these
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2) A __________ gate gives the output as 1 only if all the inputs signals are 1.
a) AND
b) OR
c) EXOR
d) NOR
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3) The boolean expression of an OR gate is _______
a) A.B
b) A’B+AB’
c) A+B
d) A’B’
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4) Which of the following gate will give a 0 when both of its inputs are 1?
a) AND
b) OR
c) NAND
d) EXOR
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5) The Boolean expression for a 3-input AND gate is ________.
A )X = AB
B) X = ABC
C) X = A + B + C
D) X = AB + C
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
6) Which among the below stated boolean expressions do not obey De-Morgan's theorem ?
a) X+Y = X . Y
b) X.Y = X + Y
c) X.Y = X.Y
d) None of the above
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
7. The number of min terms for an expression comprising of 3 variables?
a) 8
b) 3
c) 0
d) 1
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