
Digital Electronics-2 MCQ Questions and Answers
1. A punched card has how many rows and columns
Answer : D
2. Decoders are
Answer : A
3. _____ multivibrator is a square wave oscillator.
Answer : A
4. Schmitt trigger generates square wave from _____ wave input.
Answer : B
5. In 555 timer, pin no. 2 is given by :
Answer : B
Digital Electronics-2 MCQ
6. EPEOM can be ?
Answer : C
7. Which of the following is not a shift register?
Answer : C
8. Which diode is used in seven segment display ?
Answer : C
9. LED consumes _____ power than LCD.
Answer : A
10. Fastest A/D converter is given by :
Answer : A
Digital Electronics-2 MCQ
11. Process of copying files to a CD-ROM is known as
Answer : A
12. Which of the following is incorrect ?
Answer : A
13. Cache memory is made by using _____
Answer : A
14. Which of the following has memory ?
Answer : B
15. Which of the following IC is Dual 2 to 4 line decoder
Answer : B
Digital Electronics-2 MCQ
16. Multiplexer is also known as
Answer : C
17. LED emits light when it is _____ baised.
Answer : A
18. Which device used nematic fluid :
Answer : B
19. Memory that losses its content when power is lost is :
Answer : C
20. Which one of the following is correct :
Answer : C
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