Basic Electronics Innovative Teaching

Which gate is known as the universal gate?

• NAND

• OR

• AND

• None

Identify the name of this gate

• NAND Gate

• NOR Gate

• X-OR Gate

• Ex-NOR Gate

Which of the following is not a logic gate?

• IF

• AND

• NOT

• OR

What is the one’s complement for the binary number 011001

• 000111

• 100110

• 111001

• 110001

What will be the output of the given logic gate?

• OR

• NOR

• AND

• NAND

In S-R flip-flop, if Q = 0 the output is said to be ___________

• a) Set

• b) Reset

• c) Previous state

• d) Current state

The logic circuits whose outputs at any instant of time depends only on the present input are called ________________

• a) Combinational circuits

• b) Sequential circuits

• c) Latches

• d) Flip-flops

The output of the sequential circuit depends upon _________

• Present input

• Past input

• Present input and Previous output

• None of the above

How is a J-K flip-flop made to toggle?

• J = 0, K = 0

• J = 1, K = 0

• J = 0, K = 1

• J = 1, K = 1

Total number of inputs in a half adder is __________

• 1

• 2

• 4

• 3