It should be kept in mind that don’t care terms should be used along with the terms that are present in ___________.

• A) Latches
• B) K-Map
• C) Expressions
• D) Minterms

In a full adder circuit having inputs A = 1, B =1, Cin = 0, the outputs S and Cout will be _______________.

• A) S = 1, Cout = 0
• B) S = 1, Cout = 1
• C) S = 0, Cout = 0
• D) S = 0, Cout = 1

Which of the following gates is used for parity generation for a binary data string?

• A) XOR
• B) AND
• C) OR
• D) NOR

When implementing a half adder by using gates, which of the following gates is used to give Sum (S) as an output?

• A) OR
• B) AND
• C) XOR
• D) NOR

A full adder circuit takes ______________ bit(s) as input and returns ____________ bit(s) as output.

• A) 2, 2
• B) 3, 2
• C) 2, 1
• D) 3, 1

Which of the following symbols is used to represent XOR operation?

• A) x
• B) ^
• C) ⊕
• D) +

There are ______ cells in a 4-variable K-map.

• A) 16
• B) 24
• C) 20
• D) 8

Which of the following expressions represents S output in a full adder?

• A) $A \oplus B \oplus {C_{in}}$
• B) $\left( {A \times B} \right) \oplus {C_{in}}$
• C) $\left( {A \times {C_{in}}} \right) \oplus B$
• D) $\left( {A + B} \right) \times {C_{in}}$

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

• A) Block diagram
• B) Triangular Diagram
• C) Cycle Diagram
• D) Venn Diagram

Each product term of a group, w’xy’ and wy, represents the ____________ in that group.

• A) POS
• B) Sum of Maxterms
• C) Sum of Minterms
• D) Input

There are ______ cells in a 5-variable K-map.

• A) 24
• B) 32
• C) 16
• D) 64

Don’t care conditions can be used for simplifying Boolean expressions in ___________.

• A) Latches
• B) K-maps
• C) Terms
• D) Registers

When implementing a half adder by using gates, which of the following gates is used to return carry bit as an output?

• A) AND
• B) OR
• C) NAND
• D) XOR

The K-map based Boolean reduction is based on the following Unifying Theorem: A + A’ = 1.

• A) Force
• B) Non Impact
• C) Complementarity
• D) Impact

To build a full adder using gates, how many gates are required?

• A) 2 AND gates, 2 XOR gates, 1 OR gate
• B) 2 AND gates, 2 OR gates, 2 XOR gates
• C) 1 AND gate, 2 OR gates, 1 XOR gate
• D) 2 AND gates, 3 OR gates, 1 XOR gates

Comparators are used in ____________

• A) CPU
• B) Motherboard
• C) Hard Drive
• D) Memory

TTL 74LS85 is a _____________

• A) 4-bit magnitude comparator
• B) 1-bit digital comparator
• C) 8-bit word comparator
• D) 8-bit magnitude comparator

A circuit that compares two numbers and determines their magnitude is called ____________

• A) Size comparator
• B) Height comparator
• C) Inverter
• D) Magnitude comparator

Which one is a basic comparator?

• A) OR
• B) AND
• C) XOR
• D) NAND

In a comparator, if we get input as A>B then the output will be ____________

• A) B
• B) 1
• C) 0
• D) A