Digital Logic Control MCQ’s

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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Digital Logic Control”.

1. Which gate is called as inequality detector?
a) 2 Input AND Gate
b) 2 Input NAND Gate
c) 2 Input XOR Gate
d) 2 Input XNOR Gate

2. What is the IC (Integrated circuit) number of Quad 2 Input OR Gate?
a) 7404
b) 7402
c) 7408
d) 7432

3. What is the output of 2 Input XNOR gate if both the inputs are same?
a) 0
b) 1
c) 10
d) 11

4. What is the IC (Integrated circuit) number of Quad 2 Input XOR Gate?
a) 7404
b) 7486
c) 7408
d) 743

5. The output of 2 Input AND gate is Logic 1 if any one of its input is Logic 1.
a) True
b) False

6. What is the IC (Integrated circuit) number of Quad 2 Input NOR Gate?
a) 7404
b) 7402
c) 7400
d) 7432

7. NAND gate and NOR gate are universal logic gates.
a) True
b) False

8. What is the IC (Integrated circuit) number of Quad 2 Input NAND Gate?
a) 7404
b) 7486
c) 7400
d) 7432

9. What is the IC (Integrated circuit) number of Quad 2 Input XNOR Gate of TTL logic family?
a) 4077
b) 7402
c) 74266
d) 7432

10. What is the minimum number of 2 Input NAND Gate required to make a 2 Input XOR gate?
a) 2
b) 3
c) 4
d) 5

11. What is the minimum number of 2 Input NOR Gates required to make a 2 Input XNOR gate?
a) 2
b) 3
c) 4
d) 5

12. What is the IC (Integrated circuit) number of Quad 2 Input AND Gate?
a) 7404
b) 7402
c) 7408
d) 74032

13. XOR gate is an abbreviation of Executive OR Gate.
a) True
b) False

14. What is the IC (Integrated circuit) number of Hex Inverter(NOT Gate)?
a) 7404
b) 7402
c) 7408
d) 74032

15. Which gate is called as equality detector?
a) 2 Input AND Gate
b) 2 Input NAND Gate
c) 2 Input XOR Gate
d) 2 Input XNOR Gate

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