GATE Computer Science and Information Technology Exam Practice Test
Build your confidence for GATE Computer Science and Information Technology Exam. Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.
Try a sample questionExam overview and details
The Graduate Aptitude Test in Engineering (GATE) in Computer Science and Information Technology (CS) is a prestigious, national-level examination conducted jointly by the Indian Institute of Science (IISc) and seven Indian Institutes of Technology (IITs). It serves as a benchmark for assessing the comprehensive understanding of various undergraduate subjects in engineering and science. A qualifying score in GATE CS is a mandatory requirement for admission to postgraduate programs (ME, M.Tech, MS, direct PhD) in premier Indian institutes like IITs, NITs, and IIITs with financial assistance. Beyond academia, the GATE score is extensively used for recruitment to prestigious public sector undertakings (PSUs) such as BHEL, GAIL, IOCL, and HPCL, and is a respected credential for research positions in government organizations like DRDO and ISRO. The exam rigorously tests core fundamentals, analytical ability, and application skills, making it a definitive measure of a candidate's technical proficiency in the field.
Sample Questions
Choose an answer and explore the explanation to see how practice works.
A system state has Available=(3,3,2). Process P has Allocation=(2,0,0), Max=(5,3,2), so Need=(3,3,2). Under Banker's safety check, what can be concluded about P at this point?
A grammar has productions E -> E + E | E * E | id. A parser finds two parse trees for id + id * id. What is the primary defect?
Bellman-Ford is run on a graph with 6 vertices and no negative cycles. After how many full relaxation passes over all edges are shortest paths guaranteed, in the worst case?
A TCP Reno sender receives three duplicate ACKs for the same sequence number. What is the classic response?
A verifier is asked whether an arbitrary Turing machine halts on every input. Which statement is correct about this problem?
Exam insights and study advice
Achieving a competitive rank in the GATE CS exam is a transformative career milestone. It validates deep technical expertise to top academic institutions and leading public/private sector employers, opening doors to advanced education with scholarships and highly sought-after engineering positions. The certification is nationally recognized as a gold standard for technical competency, significantly enhancing a candidate's professional profile, credibility, and earning potential. It demonstrates a commitment to excellence and a mastery of core computer science principles that is highly valued across academia, government research, and industry.
What this exam covers
Use the published domain weights to plan your study. Practice results do not predict your certification exam score.
01Subject Questions: Sections 2-10
72 of 100 marks shared across Sections 2-10; GATE publishes no per-section split.
Topics
- Digital Logic
- Computer Organization and Architecture
- Programming and Data Structures
- Algorithms
- Theory of Computation
- Compiler Design
- Operating System
- Databases
- Computer Networks
Learning objectives
- Digital Logic
- Computer Organization and Architecture
- Programming and Data Structures
- Algorithms
- Theory of Computation
- Compiler Design
- Operating System
- Databases
- Computer Networks
02General Aptitude
15 of 100 marks; 10 questions. The General Aptitude syllabus is common to all GATE papers and is published separately.