Decoder and Encoder Quiz

which of the following represents number of output lines for decoder with 4 input lines?

• 16

• 4

• 32

• 64

Simplest Line decoder is

• 0-1 Line Decoder

• 1-2 Line Decoder

• 0-2 Line Decoder

• 1-5 Line Decoder

if the input line at position 7 to an encoder is on, the input might be encoded as

• 1110

• 111

• 1010

• 1111

if the input to a decode was 0111 the output might be one on line at position

• 14

• 7

• 10

• 15

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

• Pin decoder

• Line decoder

• Row decoder

• Column decoder

Decoder is a reverse of

• Encoder

• Decoder

• Multiplexer

• Data Selector

BCD to 7 segment conversion is a

• Decoding Process

• Encoding Process

• Comparing Process

• Multifly Process

A system receives input A1 = 1 and A0 = 0 in a 2-to-4 decoder.
Which output will be active?

• Y2
• Y0
• Y3
• Y1

How many outputs does a 3-to-8 decoder have?

• 2
• 8
• 16
• 4

A 2-to-4 decoder receives the input A1 = 0 and A0 = 1. Which output will be active?

• Y0
• Y3
• Y1
• Y2