Multiplexer & Decoder

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

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

• encoder

• decoder

• demultiplexer

How many select lines are required for a 1-to-4 demultiplexer?

• 2

• 3

• 4

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

• encoder

• decoder

• multiplexer

A circuit with many inputs and one output

• Encoder

• Multiplexer

• Demultiplexer

A circuit with one input and many outputs

• Demultiplexer

• Multiplexer

• Encoder

Which one is not a part of multiplexer circuit

• Input

• Selection lines

• Clock pulse