Digital Electronics Multiple Choice Questions and Answers - Computer Science

Here we discuss the multiple choice questions of digital electronics that covers many important and interesting concepts about computer.

1. The schmitt trigger may be used to?

[A] change voltage to corresponding frequency

[B] Change frequency to voltage

[C] Square slowly varying input

[D] None of above

2. Which of the following is minimum error code?

[A] Octal code

[B] Grey code

[C] Binary code

[D] Excess 3 code

3. Popular application flip-flop are ?

[A] Counters

[B] Shift registers

[C] Transfer registers

[D] All of above

4. SR Flip flop can be converted to T-type flip-flop if ?

[A] S is connected to Q

[B] R is connected to Q

[C] Both S and R are shortend

[D] S and R are connected to Q and Q' respectively

5. Register is a ?

[A] Set of capacitor used to register input instructions in a digital computer

[B] Set of paper tapes and cards put in a file

[C] Temporary storage unit within the CPU having dedicated or general purpose use

[D] Part of the auxiliary memory

6. For which of the following flip-flop the output clearly defined for all combinations of two inputs?

[A] Q type flip-flop

[B] R S type flip-flop

[C] J K flip-flop

[D] T flip-flop

7. A simple flip-flop

[A] is 2 bit memory

[B] is 1 bit memory

[C] is a four state device

[D] has nothing to do with memory

8. An SR flip flop cannot accept the following input entry

[A] Both input zero

[B] zero at R and one at S

[C] zero at S and one at R

[D] Both inputs one

9. The main difference between JK and RS flip-flop is that?

[A] JK flip-flop does not need a clock pulse

[B] there is feedback in JK flip-flop

[C] JK flip-flop accepts both inputs as 1

[D] JK flip-flop is acronym of junction cathode multivibrator

10. Radix of binary number system is _____?

[A] 0

[B] 1

[C] 2

[D] A & B

Are these questions helpful for you?

January 16, 2015 | 25 Questions | 2149 Downloads | 81264 Readers

Comments: (Your feedback is valuable to us)

Sneha manthanwar 5 months ago Reply

It's good but some more questions should be added

Sunil Lakra 1 year ago Reply

really it is helpfull,need more qstn

shivam 1 year ago Reply

Multiple choice questions and answers Electric Circuits Fields
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Sainaveen Ravela 1 year ago Reply

need more questions on different types of flipflops

Saddam husain 2 years ago Reply

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Er Saddam Husain
BE (ECE) 2016
GOLD MEDALIST

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Digital Electronics Multiple Choice Questions and Answers - Computer Science

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