GATE Computer Science
GATE CS 2027 prep
Free GATE CS prep for the 2027 cycle: subject tutorials, topic quizzes, and previous-year papers. Use it as a walkable syllabus — chapter, then quiz — not as a cutoff promise.
IIT Madras organises GATE 2027. Exam days are 6, 7, 13, 14, 20 and 21 February 2027. Regular registration closes 27 September 2026 (5 October with a late fee).
GATE 2027 key dates
Official schedule from IIT Madras. These dates are liable to change — confirm on gate2027.iitm.ac.in before you act on them.
- Registration opened
- 2 September 2026
- Regular registration closes
- 27 September 2026
- Late-fee registration closes
- 5 October 2026
- Application correction window
- 14–21 October 2026
- Exam city intimation
- 4 January 2027
- Exam dates
- 6, 7, 13, 14, 20, 21 February 2027
- Results
- 19 March 2027
Syllabus
Start with Programming & Data Structures, Discrete Math, OS, Networks, and COA if time is short. Leave Compiler Design and ToC until the core is stable. Weightage detail: 2027 study plan.
General Aptitude
Verbal, quantitative, and analytical aptitude for the shared 15-mark GATE GA section.
4 chapters →
Engineering Mathematics
Linear algebra, calculus, probability, discrete mathematics, and numerical methods for GATE CS.
5 chapters →
Algorithms
Complexity, sorting, graph algorithms, and dynamic programming for GATE CS.
3 chapters →
Digital Logic
Boolean algebra, K-maps, sequential circuits, and binary arithmetic for GATE CS.
3 chapters →
Operating Systems
Scheduling, memory management, file systems, and disk scheduling for GATE CS.
4 chapters →
Computer Organization
ISA, pipelining hazards, and cache numericals for GATE CS.
4 chapters →
Programming & Data Structures
C tracing, arrays, lists, stacks, queues, trees, graphs, and hashing for GATE CS.
6 chapters →
Databases (DBMS)
ER model, normalization, SQL, transactions, and indexing for GATE CS.
6 chapters →
Computer Networks
IP fragmentation, routing, TCP/UDP utilization, and application protocols for GATE CS.
5 chapters →
Theory of Computation
Automata, CFGs, Turing machines, and complexity classes for GATE CS.
5 chapters →
Compiler Design
Lexical analysis, LL/LR parsing, SDT, and intermediate code for GATE CS.
5 chapters →
Quizzes and PYQs
Topic quizzes after a chapter. The full mock is a timed sitting. PYQ shows questions and options only for now — cross-check the official IIT answer key yourself until keys are verified on Schoolabe.