Free Printable DLC Quiz

1.

The output does not change immediately in response to input changes in a ______

a)

Flip flop

b)

Latch

2.

The output changes immediately in response to input changes in a ______

a)

Flip flop

b)

Latch

3.

Latches are ________ triggered

a)

Pulse

b)

Edge

c)

Level

4.

Flipflops are ________ triggered

a)

Pulse

b)

Edge

c)

Level

5.

In a _______, the output timing is controlled by a clock

a)

Flipflop

b)

Latch

6.

In a _______, the output timing is not controlled.

a)

Flipflop

b)

Latch

7.

A _______ is said to be transparent.

a)

Flipflop

b)

Latch

8.

A _______ is said to be non-transparent.

a)

Flipflop

b)

Latch

9.

The figure represents a _______ Latch.

a)

D

b)

RS

c)

JK

d)

T

10.

The figure represents a _______ Latch.

a)

D

b)

SR

c)

JK

d)

T

11.

The figure represents a gated _______ Latch.

a)

D

b)

SR

c)

JK

d)

T

12.

The figure represents a gated _______ Latch.

a)

D

b)

SR

c)

JK

d)

T

13.

The figure represents a gated _______ Latch.

a)

D

b)

SR

c)

JK

d)

T

14.

The figure represents a _________.

a)

SR latch

b)

Master slave SR flip flop

c)

Master slave JK flipflop

d)

JK latch

15.

The figure represents a _________.

a)

Master slave Toggle flip flop

b)

Master slave JK flipflop

c)

JK latch

16.

The figure represents a _________.

a)

Positive Edge triggered D flip flop

b)

Negative Edge triggered D flip flop

c)

Master Slave D flipflop

d)

Master Slave JK flipflop

17.

A Switch De-bouncer uses a _______ latch

a)

SR

b)

D

c)

JK

d)

Toggle

18.

The characteristic equation of SR FLIPFLOP is __________

a)

$Q^+=R+\overline{S}Q$

b)

$Q^+=SQ+\overline{R}$

c)

$Q^+=S+\overline{R}Q$

d)

$Q^+=\overline{S}+\overline{R}Q$

19.

The characteristic equation of JK FLIPFLOP is __________

a)

$Q^+=J\overline{Q}+K\overline{Q}$

b)

$Q^+=J\overline{Q}+\overline{K}Q$

c)

$Q^+=J\overline{K}+\overline{K}Q$

d)

$Q^+=J+\overline{K}Q$

20.

The characteristic equation of D Flipflop is __________

a)

$Q^+=D+\overline{D}Q$

b)

$Q^+=D$

c)

$Q^+=DQ$

d)

$Q^+=\overline{D}Q$

21.

The characteristic equation of Toggle Flipflop is __________

a)

$Q^+=TQ+\overline{T}\ \overline{Q}$

b)

$Q^+=T\overline{Q}+\overline{T}Q$

c)

$Q^+=TQ+\overline{T}Q$

d)

$Q^+=T+\overline{T}Q$

22.

Hold, Shift Right, SHift Left and Parallel load are the 4 modes of operation in a __________

a)

Universal Shift Register

b)

Unidirectional Parallel Shift Register

c)

Circular Shift Register

d)

Twisted Ring Counter

23.

A 4 bit Universal Shift Register uses four D flipflops and four ______

a)

1:4 Demultiplexers

b)

4:1 Multiplexers

c)

2:4 Decoders

d)

4:2 Encoders

24.

A Ripple counter is also known as ________

a)

Synchronous counter

b)

Asynchronous counter

c)

Up counter

d)

Down counter

25.

In a MOD-N counter, N represents

a)

No. Of States

b)

No of flipflops

c)

No of clock pulses given

d)

No of inputs

26.

Propagation delay is present in

a)

Ripple counter

b)

Synchronous counter

c)

Ring counter

d)

Johnson counter

27.

Ring and Johnson counter are examples of

a)

Binary counter

b)

Non binary counter

28.

Johnson counter is also known as

a)

Twisted ring counter

b)

Mod 2N counter

c)

Non binary counter

d)

All the above

29.

Mealy and Moore models are examples of

a)

Synchronous sequential circuits

b)

Asynchronous sequential circuits

c)

Combinational circuits

30.

In a Moore models, the output depends on

a)

Present state only

b)

Present state and present inputs

c)

Present inputs only

31.

In Mealy model output depends on

a)

Present inputs and present state

b)

Present state only

c)

Present inputs only

32.

ROM is

a)

Volatile memory

b)

Non volatile memory

33.

RAM is

a)

Volatile memory

b)

Non volatile memory

34.

PROM is

a)

Not Programmable

b)

Programmable

35.

EPROM is

a)

Not Programmable

b)

Programmable

c)

Programmable and Erasable

d)

Erasable

DLC Quiz

Total questions: 35

Worksheet time: 18mins

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