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Worksheets

Flip Flops

Total questions: 10

Worksheet time: 5mins

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.

Sequential circuit contains

a)

a) No memory element

b)

b) Atleast one memory element

c)

c) All inputs applied simultaneously

3.

T Flip flop is used as

a)

Transfer data circuit

b)

Toggle switch

c)

Time delay switch

4.

Number of inputs for D flip flop

a)

3

b)

2

c)

1

5.

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

6.

The flip-flop is only activated by _____________

a)

Positive edge trigger

b)

Negative edge trigger

c)

Either positive or Negative edge trigger

7.

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

8.

The number of additional NAND gates required to convert a J-K flip-flop to a T flip-flop is ……….

a)

1

b)

2

c)

3

d)

0

9.

The example of sequential circuit is

a)

Multiplexers

b)

Decoders

c)

7 Segment display

d)

Counters

10.

The flip-flop is only activated by _____________

a)

Positive edge trigger

b)

Negative edge trigger

c)

Either positive or Negative edge trigger