What is the exam pattern and passing mark for GTU Digital System Design (BE03000181)?

The GTU theory examination carries 70 total marks with a duration of 2.5 Hours. Minimum passing criteria is 23 marks (33%). The paper consists of 5 main questions with official marking breakdown and internal choices.

Where can I download the official GTU BE03000181 Winter 2025 question paper PDF?

The official GTU question paper PDF is linked directly from Gujarat Technological University's official examination archive. You can view the full paper online or download the original file.

How can I practice solutions for these GTU questions?

Every question on UnFoldPrep includes deep-linking and one-click AI prompt buttons for ChatGPT, Claude, and Perplexity that instantly formulate structured exam prompts with standard mark breakdowns and academic rubrics.

Gujarat Technological UniversityWinter 2025 examination

GTU BE03000181 Digital System Design Winter 2025 Question Paper & PDF

B.E. · EC Engineering · Semester 3 · Subject code BE03000181

Download official PDF View PDF here

Share with your class

Total: 70 marks
To pass: 23 marks (33%)
Duration: 2.5 Hours 10:30 AM – 1:00 PM
Questions: 5 with internal choice

No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.

3 of 25 questions on this paper were also asked in other years. 1 more is a type of question GTU sets again with new data. Each is marked below with the years it appeared.See all 4 repeated BE03000181 questions, most asked first

Q.1

14 Marks

(a)

3 marks

Convert the binary number 101101101 to decimal and hexadecimal.

(b)

4 marks

Simplify F=(A+B)(A+B′)(A′+C) using Boolean algebra.

(c)

7 marks

A Boolean function is given as F(A,B,C)=Σ(1,3,5,7)

aWrite the SOP and POS forms.

bSimplify using Boolean algebra.

cDraw the logic circuit.

Q.2

14 Marks

(a)

3 marks

List down advantages of ROM over combinational logic design.

(b)

4 marks

Implement F = AB + A′C using NOR gates only.

(c)

7 marks

Design a 4-bit Ripple Carry Adder using Full Adders. Explain the working with a neat circuit diagram.

(c)

7 marksAsked in 2 of 2 papers

Design and explain a 4-bit magnitude comparator using logic gates

Also asked in Summer 2026 Q2c OR

Q.3

14 Marks

(a)

3 marks

Compare :Synchronous and asynchronous circuits

(b)

4 marksAsked in 2 of 2 papers

Convert a JK flip-flop into D flip-flop.

Also asked in Summer 2026 Q4b

(c)

7 marks

Design a circuit to implement a 2-bit binary counter using T flip-flops.

(a)

3 marks

Explain state reduction and state assignment in a state machine.

(b)

4 marks

What are race-around conditions in JK flip-flop? How can it be avoided?

(c)

7 marksSame type asked in 2 of 2 papers

Design a 3-bit synchronous up counter using JK flip-flops.

Also asked in Summer 2026 Q4c

Q.4

14 Marks

(a)

3 marksAsked in 2 of 2 papers

What is the difference between PLA and PAL?

Also asked in Summer 2026 Q4a

(b)

4 marks

Explain the operation of 4 bit ripple counter with neat circuit and timing diagram a

(c)

7 marks

Explain input forming logic and output forming logic in state machines with example.

(a)

3 marks

Explain the working of a 4 x 1 multiplexer with truth table and logic diagram.

(b)

4 marks

Differentiate between Moore and Mealy machines with examples.

(c)

7 marks

Explain the working of a BCD adder in detail with block diagram and necessary logic expressions.

Q.5

14 Marks

(a)

3 marks

What is resolution of DAC? Name two commonly used DAC ICs.

(b)

4 marks

List the important specifications of ADC and explain any two.

(c)

7 marks

Design an 8-bit R-2R DAC for 5V reference and calculate output for input 10101100.

(a)

3 marks

What is fan-out? Give typical values for TTL and CMOS.

(b)

4 marks

Explain the term “Noise Margin” and how it differs in TTL and CMOS.

(c)

7 marks

Explain TTL NAND gate in detail with internal circuit, working and voltage levels.

More Digital System Design papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions

Other Semester 3 subjects

BE EC

3131101

Control Systems

3131102

Digital System Design

3131103

Network Theory

BE03000161

Network Theory

Preparing with friends?

Send this paper to your class group. Every question has its own link.

About this paper

Official Gujarat Technological University (GTU) examination paper for Digital System Design (Winter 2025, B.E. · EC Engineering, Sem 3). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

Download official PDF All Digital System Design Papers (2) →Report a typo or correction