# XOR and XNOR gates MCQ

What is the output of an XOR gate if both inputs are LOW (0)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
What is the output of an XOR gate if one input is HIGH (1) and the other is LOW (0)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
What is the output of an XNOR gate if both inputs are LOW (0)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
What is the output of an XNOR gate if one input is HIGH (1) and the other is LOW (0)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
Which gate produces a HIGH (1) output when the inputs are different?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate
Which gate produces a LOW (0) output when the inputs are different?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate
What is the symbol for the XOR gate?

A) ∧
B) ∨
C) ⊕
D) ⊗
What is the symbol for the XNOR gate?

A) ∧
B) ∨
C) ⊕
D) ⊗
Which gate is known as the exclusive OR gate?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate
Which gate is known as the exclusive NOR gate?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate
What is the output of an XOR gate if both inputs are HIGH (1)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
What is the output of an XNOR gate if both inputs are HIGH (1)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
Which gate has a truth table that is the inverse of the XOR gate?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate
Which gate has a truth table where the output is LOW (0) only when the inputs are the same?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate
What is the output of an XOR gate if one input is LOW (0) and the other is HIGH (1)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
What is the output of an XNOR gate if both inputs are LOW (0)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
What is the output of an XOR gate if one input is HIGH (1) and the other is LOW (0)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
What is the output of an XNOR gate if both inputs are HIGH (1)?

A) HIGH (1)
B) LOW (0)
C) Unknown
D) Depends on gate configuration
Which gate is used in arithmetic circuits for addition and subtraction?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate
Which gate is used in digital systems for implementing parity checkers?

A) XOR gate
B) XNOR gate
C) OR gate
D) AND gate

## MCQs of Digital Logic Design (DLD)

Introduction to Digital Systems

Boolean Algebra

1. Basic logic operations (AND, OR, NOT) MCQ
2. Laws and theorems of Boolean algebra MCQ
3. De Morgan’s Theorems MCQ
4. Canonical forms (Sum of Products, Product of Sums) MCQ
5. Simplification techniques (Karnaugh Maps, Quine-McCluskey method) MCQ

Combinational Logic

Logic Gates

Combinational Circuits

Sequential Logic

Flip-Flops and Latches

Counters and Registers

State Machines

Finite State Machines (FSMs)

Memory and Programmable Logic MCQs

Memory Devices

## More MCQs of Digital Logic Design (DLD)

MCQs collection of solved and repeated MCQs with answers for the preparation of competitive exams, admission test and job of PPSC, FPSC, UPSC, AP, APPSC, APSC, BPSC, PSC, GOA, GPSC, HPSC, HP, JKPSC, JPSC, KPSC, KERALAPSC, MPPSC, MPSC, MPSCMANIPUR, MPSC, NPSC, OPSC, RPSC, SPSCSKM, TNPSC, TSPSC, TPSC, UPPSC, UKPSC, SPSC, KPPSC, BPSC, AJKPSC ALPSC, NPSC, LPSC, SCPSC, DPSC, DCPSC, PSC, UPSC, WVPSC, PSCW, and WPSC.