Digital Electronics Test 1 Online MCQs

1. How many two input AND gates and two input OR gates are required to realize Y = BD + CE + AB

2. Convert decimal 153 to octal. Equivalent in octal will be

3. The Gray code for decimal number 6 is equivalent to

4. Which of following are known as universal gates

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

6. For JK flip flop with J=1, K=0, the output after clock pulse will be

7. The 2’s complement of the number 1101101 is

8. What is the octal equivalent of the binary number: 10111101

9. CMOS logic low level is 0 volts approx. Karnaugh map is used for the purpose of

10. A device which converts BCD to Seven Segment is called

11. EPROM contents can be erased by exposing it to

12. For JK flip flop with J=1, K=0, the output after clock pulse will be

13. DeMorgan’s first theorem shows the equivalence of

14. Pick out the CORRECT statement:

15. A universal logic gate is one, which can be used to generate any logic function. Which of the following is a universal logic gate?