GATE Computer Science 2022 syllabus has been released. GATE 2022 syllabus designed for GATE Computer Science Exam comprises 10 units.

Section 1: Engineering Mathematics

Discrete Mathematics:

Propositional and first order logic

Sets, relations, functions, partial orders and lattices

Monoids, Groups

Graphs: connectivity, matching, coloring

Combinatorics: counting, recurrence relations, generating functions.

Linear Algebra:



system of linear equations

eigenvalues and eigenvectors

LU decomposition.


Limits, continuity and differentiability

Maxima and minima

Mean value theorem.


Probability and Statistics:

Random variables

Uniform, normal, exponential, poisson and binomial distributions

Mean, median, mode and standard deviation

Conditional probability and Bay's theorem.

Section 2: Digital Logic

Digital Logic Boolean algebra.

Combinational and sequential circuits


Number representations and computer arithmetic (fixed and floating point).

Section 3: Computer Organization and Architecture

Machine instructions and addressing modes.

ALU, data-path and control unit

Instruction pipelining, pipeline hazards

Memory hierarchy: cache, main memory and secondary storage

I/O interface (interrupt and DMA mode).

Section 4: Programming and Data Structures

Programming in C.


Arrays, stacks, queues, linked lists, trees

binary search trees, binary heaps, graphs.

Section 5: Algorithms

Searching, sorting, hashing

Asymptotic worst case time and space complexity

Algorithm design techniques: greedy, dynamic programming and divide-and-conquer

Graph traversals, minimum spanning trees, shortest paths.

Section 6: Theory of Computation

Regular expressions and finite automata

Context-free grammars and push-down automata

Regular and contex-free languages, pumping lemma

Turing machines and undecidability.

Section 7: Compiler Design

Lexical analysis, parsing, syntax-directed translation

Runtime environments

Intermediate code generation

Local optimisation

Data flow analyses: constant propagation, liveness analysis, common subexpression elimination.

Section 8: Operating System

System calls, processes, threads, inter-process communication, concurrency and synchronization.


CPU and I/O scheduling

Memory management and virtual memory

File systems.

Section 9: Databases


Relational model: relational algebra, tuple calculus, SQL.

Integrity constraints, normal forms.

File organization, indexing (e.g., B and B+ trees).

Transactions and concurrency control.

Section 10: Computer Networks

Concept of layering: OSI and TCP/IP Protocol Stacks

Basics of packet, circuit and virtual circuit switching

Data link layer: framing, error detection, Medium Access Control, Ethernet bridging

Routing protocols: shortest path, flooding, distance vector and link state routing

Fragmentation and IP addressing, IPv4, CIDR notation

Basics of IP support protocols (ARP, DHCP, ICMP)

Network Address Translation (NAT)

Transport layer: flow control and congestion control, UDP, TCP, sockets

Application layer protocols: DNS, SMTP, HTTP, FTP, Email.