Data Processing Circuits

How is an encoder different from a decoder?

• The output of an encoder is a binary code for 1-of-N input
• The output of a decoder is a binary code for 1-of-N input
• The output of an encoder is a binary code for N-of-1 output
•  The output of an decoder is a binary code for N-of-1 output

How many inputs will a decimal-to-BCD encoder have?

• 4
• 6
• 10
• 12

How many outputs will a decimal-to-BCD encoder have?

• 4
• 8
• 12
• 16

How many OR gates are required for a Decimal-to-bcd encoder?

• 2
• 10
• 3
• 4

Choose the CORRECT answer for figure below.

• Decimal to BCD encoder
• 8 line to 3 line Encoder
• 16 line to 4 line Encoder
• 25 line to 5 line encoder

Decoder is a

• combinational circuit
• sequential circuit
• complex circuit
• gate

A circuit that converts n inputs to 2^n outputs is called

• encoder
• decoder
• multiplexer
• demultiplexer

BCD to seven segment conversion is a ________________

• Decoding process
•  Encoding process
• Comparing process
• None of the mentioned

Decoder is constructed from ________________

• Inverters
• AND gates
•  Inverters and AND gates
• None of the mentioned

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

• 15
• 16
• 17
• 18