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Digital Electronics Lab Exam- part 2

Authored by BETSY BABY

Physics, Education, Professional Development

University

Used 22+ times

Digital Electronics Lab Exam- part 2
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The truth table for an S-R flip-flop has how many VALID entries?

a) 1

b) 2

c) 3

d) 4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In S-R flip-flop, if Q = 0 the output is said to be ___________

a) Set

b) Reset

c) Previous state

d) Current state

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The flip-flops which has not any invalid states are _____________

a) S-R, J-K, D

b) S-R, J-K, T

c) J-K, D, S-R

d) J-K, D, T

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sequential circuit contains

a) No memory element

b) Atleast one memory element

c) All inputs applied simultaneously

d) None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

T Flip flop is used as

Transfer data circuit

Toggle switch

Time delay switch

None of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On a master-slave flip-flop, when is the master enabled?

A.when the gate is LOW

B.when the gate is HIGH

C.both of the above

D.neither of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many natural states will there be in a 4-bit synchronous counter?

a) 4

b) 8

c) 16

d) 32

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