DE QUIZ 21-02-2023

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

• a) AND

• b) OR

• c) EXOR

• d) NOR

3) The boolean expression of an OR gate is _______

• a) A.B

• b) A’B+AB’

• c) A+B

• d) A’B’

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

• a) AND

• b) OR

• c) NAND

• d) EXOR

The universal gate is ………………

• NAND gate

• OR gate

• AND gate

• None of the above

2’s complement of binary number 0101 is

• 1011

• 1111

• 1101

• 1110

For the gate in the given figure the output will be ………..

• 0

• 1

• A

• Ā

The circuit of the given figure realizes the function …………

• Y = (A'+B')C + (DE)'

• Y = A'+B'+C'+D'+E'

• AB+C+D'E

• AB+C(D+E')

What is the expression for the SUM output of a full adder?

• A⊕B⊕C_in

• A⊕B

• A⊕C_in

• (A+B)⊕C_in

3) The boolean expression of an XOR gate is _______

• a) A.B

• b) A’B+AB’

• c) A+B

• d) A’B’

7. The number of min terms for an expression comprising of 3 variables?

• a) 8

• b) 3

• c) 0

• d) 1