logic gates 200 MCQs || latest 2022
1. The logical gates are categorized into _______
- One group
- Two groups
- Three groups
- Four groups
2. __________ are basic gate.
- NAND & NOR
- AND
- NOT, AND, & OR
- None
3. __________ are universal gates
- NAND & NOR
- AND
- NOT
- None
4. __________ are arithmetic gates
- NAND & NOR
- NOT & NOR
- X-OR & X-NOR
- None
5. The basic gate of the TTL logic family is _____
- NAND
- NOT
- NOR
- None of the above
6. The basic gate of the ECL logic family is _____
- NAND
- NOT
- OR/ NOR
- XOR
7. The power dissipation in the ECL logic family is ______
- 30mv
- 40-55mv
- 50-80mv
- 60-90mv
8. Which IC is a dual four-input AND gate?
- 74LS13
- 74LS20
- 74LS21
- None of the above
9. Which one is a saturated bipolar logic family?
- RTL
- Schottky TTL
- ECL
- None of the above
10. The code where all successive numbers differ from their preceding number by single bit is __
- Alphanumeric Code
- gray code
- blue code
- None
11. How many AND gates are required to realize Y = AD + EF + G?
- 4
- 5
- 3
- 2
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12. The NOR gate output will be high if the two inputs are __________
- 11
- 00
- 01
- 10
13. Which one is an unsaturated bipolar logic family?
- RTL
- Schottky TTL
- DTL
- none
14. How many types of logic families are there ?
- One
- Two
- Three
- Four
15. The power dissipation in the DTL logic family is ________
- 1-12mv
- 4-12mv
- 6-12mv
- 8-12mv
16. What are the components used in COS logic family ?
- PMOS
- NMOS
- Both a and b
- None of the above
17. Which IC is a dual four-input NAND gate ?
- 74LS20
- 74LS21
- 74LS27
- None of the above
18. The DTL logic family has _________
- Improved noise margin and fan-out
- Low speed
- Both a and b
- None of the above
19. What is the standard form of DCDVS logic?
- Differential Cascade Voltage Switch
- Differential Cascade Voltage Complex
- Voltage Switched
- None
20. _________ are the common forms of complex logic gates.
- OR-AND-Invert (OAI)
- AND-OR-Invert (AOI)
- Both OAI and AOI
- None of the above
21. _______ are basic gates
- NAND
- NOT, AND, & OR
- AND
- None
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