GATE 2027 CS Mock Test Series — Free
Computer Science & IT | IIT Madras

Full-Length Mock Test

65 questions · 3 hours · GA + Technical sections. Exact GATE 2027 pattern with virtual calculator and question palette.

Data Structures & Algorithms

Arrays, Linked Lists, Trees, Graphs, Sorting, Searching, Dynamic Programming, Greedy Algorithms.

Operating Systems

Process Management, Memory Management, File Systems, Deadlock, CPU Scheduling, Virtual Memory.

Database Management (DBMS)

SQL, Normalisation, Transactions, ER Model, Relational Algebra, Indexing, Concurrency Control.

Computer Networks

TCP/IP, OSI Model, Routing, Congestion Control, DNS, HTTP, Data Link Layer, Network Security.

C Programming

Data Types, Operators, Control Flow, Functions, Recursion, Storage Class, Arrays, Pointers.

Digital Logic & COA

Boolean Algebra, Logic Gates, Combinational & Sequential Circuits, Processor Design, Pipelining, Cache.

Theory of Computation & Compiler Design

Automata, Regular Languages, Context-Free Grammar, Turing Machine, Parsing, Lexical Analysis.

1. Engineering Mathematics

• Discrete Mathematics: logic, sets, relations, lattices, groups, graphs, combinatorics
• Linear Algebra: matrices, eigenvalues, LU decomposition
• Calculus: limits, continuity, maxima/minima, integration
• Probability & Statistics: distributions, Bayes' theorem

2. Digital Logic

• Boolean algebra & minimization (K-map, tabular method)
• Combinational & sequential circuit design
• Number representation & arithmetic (fixed/floating point)

3. Computer Organization & Architecture

• Instruction set & addressing modes
• ALU & control unit design (hardwired/microprogrammed)
• Memory hierarchy & cache mapping
• I/O interface (interrupt, DMA)
• Instruction pipelining & hazards

4. Programming & Data Structures

• Programming in C, recursion
• Arrays, stacks, queues, linked lists
• Trees, binary search trees, binary heaps, graphs

5. Algorithms

• Searching, sorting, hashing
• Asymptotic worst-case time & space complexity
• Greedy, dynamic programming, divide-and-conquer
• Graph traversals, MST, shortest paths

6. Theory of Computation

• Regular expressions & finite automata
• Context-free grammars & pushdown automata
• Regular & context-free languages, pumping lemma
• Turing machines & undecidability

7. Compiler Design

• Lexical analysis, parsing, syntax-directed translation
• Runtime environments, intermediate code generation
• Local optimisation & data flow analyses

8. Operating System

• System calls, processes, threads, IPC
• Concurrency, synchronization, deadlock
• CPU & I/O scheduling
• Memory management & virtual memory, file systems

9. Databases

• ER model, relational algebra, tuple calculus, SQL
• Integrity constraints, normal forms
• File organization, indexing (B, B+ trees)
• Transactions & concurrency control

10. Computer Networks

• Layering, switching & performance metrics
• Data link layer: error detection, MAC, Ethernet
• Distance vector & link state routing
• IPv4: fragmentation, CIDR, NAT
• TCP flow/congestion control, socket API, DNS, HTTP

General Aptitude (GA)

• Verbal Ability
• Numerical Ability
• Analytical Reasoning
• Quantitative Aptitude