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Worksheets

Flip Flop

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

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

a)

a) Set

b)

b) Reset

c)

c) Previous state

2.

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

a)

a) S-R, J-K, D

b)

b) S-R, J-K, T

c)

c) J-K, D, T

3.

Sequential circuit contains

a)

a) No memory element

b)

b) Atleast one memory element

c)

c) All inputs applied simultaneously

4.

T Flip flop is used as

a)

Transfer data circuit

b)

Toggle switch

c)

Time delay switch

5.

The advantage of a J-K flip-flop over an S-R FF is that ________.

a)

A.it does not require a clock input

b)

B.it has only one output

c)

C.it has no invalid states

6.

Following flip flop is used to eliminate race around problem

a)

SR Flip flop

b)

JK Flip flop

c)

Master Slave Flip flop

7.

Number of inputs for D flip flop

a)

3

b)

2

c)

1

8.

In a J-K flip-flop, if J=K the resulting flip-flop is referred to as

a)

D flip-flop

b)

T flip-flop

c)

S-K flip-flop

9.

The flip-flop is only activated by _____________

a)

Positive edge trigger

b)

Negative edge trigger

c)

Either positive or Negative edge trigger

10.

The logic circuits whose outputs at any instant of time depends only on the present input but also on the past outputs are called

a)

Combinational Circuits

b)

Sequential Circuits

c)

None of the above