WorksheetsCombinational and Sequential Circuits Quiz
Total questions: 10
Worksheet time: 5mins
A combinational logic circuit’s output depends on:
Only current inputs
Current and past inputs
Only past inputs
Clock pulses
Which of the following is a sequential circuit?
Adder
Decoder
Flip-Flop
Multiplexer
Which of the following are universal gates?
AND, OR
XOR, XNOR
NAND, NOR
NOT, AND
A multiplexer (MUX):
Converts binary to one-hot outputs
Routes one input to many outputs
Selects one input from many and forwards it
Encodes inputs into binary
A demultiplexer (DEMUX):
Converts binary inputs to one-hot outputs
Routes one input to one of many outputs
Selects one input from many and forwards it
Adds two inputs
An encoder:
Selects one input from many
Converts 2^n inputs into an n-bit binary code
Converts binary inputs to one-hot outputs
Performs subtraction
Which of the following is not a basic combinational circuit?
Full Adder
Decoder
Flip-Flop
Comparator
A Half Adder generates:
Sum and Difference
Sum and Borrow
Sum and Carry
Carry and Borrow
A Full Adder adds how many inputs?
2
3
4
1
A 4-to-1 MUX requires how many select lines?
1
2
3
4
