Digital Electronics Quiz Vol-1

This is Digital Electronics Quiz Vol -1 which is of the basic level to intermediate. Check your knowledge in Digital Electronics. After Completing this you can also move on to Digital Electronics Quiz Vol -2 which is more advanced.

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1. The function of a NOT Gate is to

 
 
 
 

2. 1’s complement of the binary 101101 is

 
 
 
 

3. The gate that can be used to implement any Boolean expression is ________

 
 
 
 

4. One of De Morgan’s theorems states that Simply stated, this means that logically there is no difference between:

 
 
 
 

5. Decimal number 45 in binary is

 
 
 
 

6. In an X-NOR Gate, if  input A is ‘0’ and input B is ‘1’, then the output will be

 
 
 
 

7. Convert the binary 111011 into decimal

 
 
 
 

8. In Boolean algebra, the bar sign (—) indicates______ gate operation.

 
 
 
 

9. 2’s complement of the binary number 10110 is

 
 
 
 

10. The basic memory elements in digital circuits are made up of

 
 
 
 

11. AND gate is a logical gate that requires atleast______ input and produces only_______ outputs after performing the AND operation.

 
 
 
 

12. In a binary number system, the first digit (bit) from right to left is called______

 
 
 
 

13. Which of the following gate will give a 0 when both of its inputs are 1?

 
 
 
 

14. How many entries in a truth table are necessary for an AND Gate with 4 inputs______

 
 
 
 

15. The Hexadecimal for binary 1001110 is

 
 
 
 

16. Using the transformation method you can see that any POS realization of OR-AND with only _____

 
 
 
 

17. The Hexadecimal of the decimal number 45.0 is ______

 
 
 
 

18. A Karnaugh map (K-map) is an abstract form of ______ diagram organized as a matrix of squares.

 
 
 
 

19. Which two of the following are universal gates?

 
 
 
 

20. Applying DeMorgan’s theorem to the expression QUIZ-DEMORGANS, we get ________

 
 
 
 

21. The Karnaugh map method of minimization of switching function is very convenient and effective if the number of variable in the switching function is

 
 
 
 

22. Latch is a device with ___

 
 
 
 

23. A three digit decimal number requires ________ for representation in the conventional BCD format.

 
 
 
 

24. Select the correct logical expression for a NAND Gate from below

 
 
 
 

25. Which of the following expressions is in the sum-of-products (SOP) form?

 
 
 
 

26. An AND Gate of 3 inputs, 2 are high and one is low. What will be the output?

 
 
 
 

27. x-or gate symbol

 

 

 

Identify the Gate for this Symbol and Expression above

 
 
 
 

28. A NOR Gate is an OR gate followed by a

 
 
 
 

29. A ______ is a universal gate which is an AND Gate followed by NOT gate.

 
 
 
 

30. IC Number of an AND gate is______

 
 
 
 

31. A latch is a _______ device in electronics circuits with 2 stable states.

 
 
 
 

32. The base of the octal number system is

 
 
 
 

33. The three inputs AND gate has______number of operations.

 
 
 
 

34. How many flip-flops are there IC 7475?

 
 
 
 

35. Logic Gates in digital electronics are

 
 
 
 

36. A Logical gate whose output is low when the inputs are same and output is high when inputs are differ, is called_________

 
 
 
 

Question 1 of 36