Surprise Quiz on Digital Circuits

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

• NAND

• OR

• AND

• EXOR

If a signal passing through a gate is inhibited by sending a low into one of the inputs, and the output is HIGH, the gate is a(n):

• NAND

• OR

• AND

• EXOR

Which of the following gates is known as coincidence detector?

• AND

• OR

• NAND

• EXOR

The expression for Absorption law is given by ________

• A + AB = B

• A + AB = A

• AB + AA' = A

• A + B = B + A

Complement of the expression A'B + CD' is _________

• (A' + B)(C' + D)

• (A + B')(C' + D)

• (A' + B)(C' + D)

• (A + B')(C + D')

The canonical sum of product form of the function y(A,B) = A + B is __________

• AB + AB' + A'B

• AB + BB + A'A

• BA + BA' + A'B'

• AB' + A'B + A'B'

A Karnaugh map (K-map) is an abstract form of ____________ diagram organized as a matrix of squares.

• Cycle Diagram

• Venn Diagram

• Block diagram

• Triangular Diagram

The prime implicant which has at least one element that is not present in any other implicant is known as ___________

• Implicant

• Essential Prime Implicant

• Complement

• Prime Complement

_____________ expressions can be implemented using either (1) 2-level AND-OR logic circuits or (2) 2-level NAND logic circuits.

• POS

• Literals

• SOP

• Don't care

The boolean function A + BC is a reduced form of ____________

• (A + B)(A + C)

• AB + BC

• A'B + AB'C

• (A + C)B