circuitspedia.com

Logic gates MCQ Quiz

Share this

/48
0 votes, 0 avg
14
Created on

Digital electronics

LOGIC GATES

Most important and interesting Questions of digital Logic gates

tail spin

1 / 48

Category: Logic gates

1. A bubbled NAND gate is equivalent to a

2 / 48

Category: Logic gates

2. The output of a NOR gate is high

3 / 48

Category: Logic gates

3. A combinational circuit can be designed using only

4 / 48

Category: Logic gates

4. Which of the following gates cannot be used as an inverter?

5 / 48

Category: Logic gates

5. The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

6 / 48

Category: Logic gates

6. The output of a gate is LOW if and only if all its inputs are HIGH. it is true for

7 / 48

Category: Logic gates

7. How many NOR gates are.required to obtain AND operation?

8 / 48

Category: Logic gates

8. The NOR gate can function as a NOT gate if

9 / 48

Category: Logic gates

9. What is the minimum number of NOR gates required to realize an X-OR gate?

10 / 48

Category: Logic gates

10. The most suitable gate for comparing two bits is

11 / 48

Category: Logic gates

11. The logic expression AB + Abar.Bbar can be implemented by giving the inputs A and B to a two input.

12 / 48

Category: Logic gates

12. What logic function is produced by adding inverters to the inputs of an AND gate?

13 / 48

Category: Logic gates

13. An X-OR gate gives a high output

14 / 48

Category: Logic gates

14. A bubbled NAND gate is equivalent to a

15 / 48

Category: Logic gates

15. NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

16 / 48

Category: Logic gates

16. A gate is enabled when its enable input is at logic 1. The gate is

17 / 48

Category: Logic gates

17. What logic function is produced by adding inverters to the inputs of an OR gate?

18 / 48

Category: Logic gates

18. The output of a NAND gate is low

19 / 48

Category: Logic gates

19. An exclusive NOR gate is logically equivalent to

20 / 48

Category: Logic gates

20. A gate is disabled when its disable input is at logic 0. The gate is

21 / 48

Category: Uncategorized

21. A combinational circuit can be designed using only

 

22 / 48

Category: Logic gates

22. What is the logic which controls a stair case light associated with two switches A and B located
at the bottom and top of the stair case respectively?

23 / 48

Category: Logic gates

23. Which of the following statements is true?

24 / 48

Category: Logic gates

24. An OR gate can be imagined as

25 / 48

Category: Logic gates

25. The number of rows in the truth table of a 4-input gate is

26 / 48

Category: Logic gates

26. The output of a gate is HIGH if and only if all ts inputs are LOW. it is true for

27 / 48

Category: Logic gates

27. Which of the following gates is known as anticoincidence detector?

28 / 48

Category: Logic gates

28. A gate is enabled when its enable input is at logic 0. The gate is

29 / 48

Category: Logic gates

29. X-OR and X-NOR gates can have how many inputs?

30 / 48

Category: Logic gates

30. What is the minimum number of NAND gates required to realize an X-OR gate?

31 / 48

Category: Logic gates

31. An AND gate can be imagined as

32 / 48

Category: Logic gates

32. An all or nothing gate is the other name of

33 / 48

Category: Logic gates

33. An any or all gate is the other name of

34 / 48

Category: Logic gates

34. What logic function is produced by adding an inverter to each input and output of an OR gate?

35 / 48

Category: Logic gates

35. The NAND gate can function as a NOT gate if

36 / 48

Category: Logic gates

36. The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

37 / 48

Category: Logic gates

37. Which of the following gate is known as a coincidence detector?

38 / 48

Category: Logic gates

38. The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

39 / 48

Category: Logic gates

39. NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

40 / 48

Category: Logic gates

40. A bubbled OR gate is equivalent to a

41 / 48

Category: Logic gates

41. A bubbled NOR gate is equivalent to a

42 / 48

Category: Logic gates

42. Which of the following is known as a mod-2 adder?

43 / 48

Category: Logic gates

43. What logic function is produced by adding an inverter to each input and output of an AND gate ?

44 / 48

Category: Logic gates

44. The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

45 / 48

Category: Logic gates

45. The output of a logic gate is 0 when all its inputs are at logic 0.The gate is either

 

46 / 48

Category: Logic gates

46. The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

47 / 48

Category: Logic gates

47. What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

48 / 48

Category: Logic gates

48. A gate is inhibited when its inhibit input is at logic 1. The gate is

Your score is

The average score is 11%

0%

Exit

Thank you

Share this

Leave a Comment

Your email address will not be published. Required fields are marked *