The Bachelor of Technology (B.Tech) 3rd semester marks the beginning of specialized learning for Computer Science and Engineering (CSE) students, introducing core subjects like Data Structures and Digital Electronics. Mastering these topics is crucial for building a strong technical foundation, and practicing important questions helps students align with exam expectations.
This guide provides a curated list of important questions for all typical 3rd semester CSE subjects, based on standard curricula across universities as of March 22, 2025. While specific questions may vary by institution, these examples reflect common exam patterns, aiding students in achieving academic success.
B Tech 3rd Semester All Subjects Important Questions
Important Questions by Subject
Below are key topics and sample important questions for each subject typically taught in the B.Tech 3rd semester for CSE:
1. Engineering Mathematics – III
- Find the probability of getting at least 2 heads in 5 coin tosses.
- Solve ∫∫(x^2 + y^2) dx dy over the region x=0 to 1, y=0 to 1.
- Use Simpson’s 1/3 rule to approximate ∫(e^x) dx from 0 to 2.
- Explain Cauchy’s Integral Theorem with an example.
- Calculate the mean and variance of a binomial distribution.
2. Data Structures
- Write an algorithm to insert a node in a singly linked list.
- Explain Binary Search Tree operations with a deletion example.
- Implement a stack using an array and perform push/pop operations.
- What is the time complexity of Quick Sort? Derive it.
- Solve: Perform BFS on a given graph with 5 vertices.
3. Digital Electronics
- Simplify the expression F = A’B + AB’ + AB using K-map.
- Design a 4-bit binary adder using full adders.
- Explain the working of a JK flip-flop with its truth table.
- Convert (1011.101)₂ to decimal and hexadecimal.
- What is a multiplexer? Design a 4:1 MUX with a logic diagram.
4. Computer Organization and Architecture
- Explain the difference between RISC and CISC architectures.
- Calculate the memory access time with a cache hit ratio of 90%.
- Describe the instruction cycle with a flowchart.
- What is pipelining? Discuss its advantages and hazards.
- Draw and explain the block diagram of a basic computer system.
5. Object-Oriented Programming (OOP)
- Write a C++ program to implement inheritance with a base and derived class.
- Explain polymorphism with an example of function overloading.
- What is exception handling? Write a Java program to handle divide-by-zero.
- Differentiate between abstract classes and interfaces in Java.
- Create a class to calculate the area of a rectangle and circle.
Tips for Preparation
- Practice coding and algorithm problems for Data Structures and OOP.
- Focus on circuit diagrams and truth tables for Digital Electronics.
- Memorize key formulas and theorems for Mathematics.
- Review past papers from your university to spot recurring question types.
- Solve questions under timed conditions to enhance exam readiness.
Conclusion
The B.Tech 3rd semester for Computer Science and Engineering introduces pivotal subjects like Data Structures, Digital Electronics, and OOP, shaping students’ technical expertise. As of March 22, 2025, the important questions listed here target essential topics from a standard curriculum, providing a robust framework for exam preparation.
By practicing these questions and supplementing with university-specific resources, students can deepen their understanding, improve problem-solving skills, and excel in this foundational semester, setting a strong trajectory for their CSE journey.
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