Digital Electronics

The boolean expression of an OR gate is _______

• a) A.B

• b) A’B+AB’

• c) A+B

• d) A’B’

The inputs of a NAND gate are connected together. The resulting circuit is ………….

• Not Gate

• Nor Gate

• And Gate

• Or Gate

Which of the following is a universal gate?

• AND

• NAND

• OR

• NOT

A __________ gate gives the output as 1 only if all the inputs signals are 1.

• a) AND

• b) OR

• c) EXOR

• d) NOR

Which of the following gate will give a 0 when both of its inputs are 1?

• a) AND

• b) OR

• c) NAND

• d) EXOR

A NOT gate has…

• Two inputs and one output

• One input and one output

• One input and two outputs

• Two inputs and two outputs

What gate is this table for?

• AND

• OR

• NOT

• NOR

What will the circuit's output be?

• 1

• 0

Which truth table is this?

• XOR

• NAND

• NOR

• NOT

3 bits full adder contains ________

• 3 combinational inputs

• 4 combinational inputs

• 6 combinational inputs

• 8 combinational inputs