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ENCODER 1

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Device which converts an input device state into a binary representation of ones or zeros is termed as

a)

Decoder

b)

Encoder

c)

Multiplexer

d)

Data Selector

2.

A circuit that change a code into a set of signals is called

a)

Encoder

b)

Decoder

c)

Multiplexer

d)

Data Selector

3.

Simplest Line decoder is

a)

0-1 Line decoder

b)

1-2 Line decoder

c)

0-2 Line decoder

d)

1-5 Line decoder

4.

Device that establish the priority of competing inputs by outputting a binary code representing the highest priority active input is called

a)

priority encoder

b)

linear encoder

c)

email encoder

d)

None

5.

In encoder, each position is to be encoded by a

a)

unique binary sequence

b)

same binary sequence

c)

different digital combination

d)

unique analog sequence

6.

Switch position 7 in encoder might be encoded as

a)

1110

b)

111

c)

1010

d)

1111

7.

Decoder which takes an n-digit binary number and decodes it into 2n data lines is called

a)

pin decoder

b)

line decoder

c)

row decoder

d)

column decoder

8.

Decoder is reverse of

a)

encoder

b)

decoder

c)

multiplexer

d)

data selector

9.

Digital circuits such as 1-of-N and seven-segment decoders are termed as

a)

binary decoders

b)

audio decoders

c)

compression decoders

d)

instruction decoders

10.

What is the normal operating condition of decoder corresponding to input and output states?

a)

E= 0 & Outputs at '0' logic state

b)

E= 1 & Outputs at '1' logic state

c)

E= 0 & Outputs at '1' logic state

d)

E= 1 & Outputs at '0' logic state