Digital Circuits Questions and Answers

Digital Circuits Questions and Answers


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Our 1000+ Digital Circuits questions and answers focuses on all areas of Digital Circuits covering 100+ topics. These topics are chosen from a collection of most authoritative and best reference books on Digital Circuits. One should spend 1 hour daily for 2-3 months to learn and assimilate Digital Circuits comprehensively. This way of systematic learning will prepare anyone easily towards Digital Circuits interviews, online tests, examinations and certifications.  



– 1000+ Multiple Choice Questions & Answers in Digital Circuits with explanations
– Every MCQ set focuses on a specific topic in Digital Circuits subject

Who should Practice these Digital Circuits Questions?
– Anyone wishing to sharpen their knowledge of Digital Circuits subject
– Anyone preparing for aptitude test in Digital Circuits subject
– Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews)
– Anyone preparing for entrance examinations and other competitive examinations
– All – Experienced, Freshers and Students

Here’s list of Questions & Answers on Digital Circuits subject covering 100+ topics:

1. Questions & Answers on Number System and Codes

The section contains questions and answers on number systems, complements of 1,2,9 and 10, BCD and arithmetic operations.

Number System – 1

Number System – 2

Arithmetic Operation

1’s,2’s,9’s & 10’s Complements – 1

1’s,2’s,9’s & 10’s Complements – 2

Binary Coded Decimal(BCD)

2. Questions on Boolean Algebra and Minimization Techniques and Logic Gates

The section contains questions on logic gates, digital integrated circuits, boolean operations, sum of products and products of sum, karnaugh maps and quine-mccluskey method.

Boolean Logic Operations

Sum of Products and Products of Sum

Karnaugh Map

Quine-McCluskey or Tabular Method of Minimization of Logic Functions

Logic Gates and Networks – 1

Logic Gates and Networks – 2

Digital Integrated Circuits – 1

Digital Integrated Circuits – 2

Digital Integrated Circuits – 3

3. Questions & Answers on Logic Families

The section contains questions and answers on RTL, DTL, TTL, ECL, IIL and characteristics of MOS, CMOS, BiCMOS and interfacing.

Register-Transistor Logic(RTL)

Diode-Transistor Logic(DTL)

Transistor Transistor Logic(TTL)

Emitter-Coupled Logic(ECL)

Integrated-Injection Logic(IIL)

MOS Digital Integrated Circuits

Characteristics of CMOS

BiCMOS Logic Circuits

Compatibility or Interfacing

4. Questions on Arithmetic Circuits

The section contains questions on half adder, full adder, half subtractor, full subtractor, 4-bit parallel adders and subtracters, fast adder, serial adder, BCD adder, basics of arithmetic operation and simplification of k-maps.

Introduction of Arithmetic Operation

Half Adder & Full Adder

Half & Full Subtractor

Procedure For The Design of Combinational Circuits

K-Map Simplification

Controlled Inverter

4-Bit Parallel Adder/Subtractor – 1

4-Bit Parallel Adder/Subtractor – 2

Fast Adder & Serial Adder – 1

Fast Adder & Serial Adder – 2

BCD Adder

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