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THIS QUIZ INCLUDES BASIC QUESTIONS ON LOGIC GATES.
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QUIZ DIGITAL ELECTRONICS
UNIT-2
Q1: WHICH OF THE FOLLOWING IS NOT THE BASIC LOGIC GATE.
A. NOTB. WITH
THE CORRECT ANSWER IS B(WITH)
Q2: HOW MANY INPUTS DOES “NOT” GATE HAVE?
A. ONEB. TWO
THE CORRECT ANSWER IS A(ONE)
Q3: WHICH GATE IS USED AS COMPLEMENT?
A. ANDB. NOT
THE CORRECT ANSWER IS B(NOT)
Q3: The Boolean expression for a 3-input AND gate is ________
A. Q=A+B+CB. Q=ABC
THE CORRECT ANSWER IS B(Q=ABC)
Q4: WHICH GATE REPRESENTS ADDITION OPERATION?
A. ORB. NOR
THE CORRECT ANSWER IS A(OR)
Q5:BOOLEAN EXPRESSION OF NOR GATE IS:
A. A+BB. AB
THE CORRECT ANSWER IS : A (A+B)
The Boolean expression for a 3-input OR gate is ________
A. Q=ABCB. Q=A+B+C
THE CORRECT ANSWER IS : B (Q=A+B+C)
Q6: The logic value of EX-NOR gate is one when:
A. All the inputs are same.B. All the inputs are different.
THE CORRECT ANSWER IS A(All the inputs are same)
Q7: THE EX-NOR GATE IS COMPLEMENT OF WHICH GATE:
A. OR GATE.B. EX-OR GATE.
THE CORRECT ANSWER IS B(EX-OR)
Q8: WHICH GATE IS DERIVED BY COMPLEMENTING NOR GATE?
A. EX-OR GATE.B. OR GATE.
THE CORRECT ANSWER IS B(OR Gate)
Q9: WHICH OF THE FOLLOWING IS A UNIVERSAL GATE?
A. NANDB. OR
THE CORRECT ANSWER IS A(NAND Gate)
Q10:How many universal gates are there?
A. 2B. 7
THE CORRECT ANSWER IS A(2: NOR Gate and
NAND Gate)
Q11: WHICH GATE COMPLEMENTS THE OPERATION OF AND GATE?
A. ORB. NAND
THE CORRECT ANSWER IS B(NAND Gate)
Q12: WHICH ARE UNIVERSAL GATES?
A. THOSE WHICH CAN BE DERIVED FROM ALL OTHER GATES
B. THOSE WHICH CAN DERIVED ALL OTHER GATES
THE CORRECT ANSWER IS B
Q: BOOLEAN EXPRESSION OF EX-OR GATE IS:A. A B + ABB. A B + A B
Correct answer is B(A B + A B )
Q: BOOLEAN EXPRESSION OF EX-NOR GATE IS:A. A B + ABB. A B + A B
Correct answer is A(A B + A B )