Gate CSE 2021

Gate CSE 2021 exam is conducted by IIT Bombay. Gate 2021 is an examination for all computer science graduate who wants to pursue a degree in MTech, ME and PhD from IITs, NITs and IIITs or recruitment in PSUs.

GATE CSE Syllabus

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: Matrices, determinants, system of linear equations, eigenvalues and eigenvectors, LU decomposition.
Calculus: Limits, continuity and differentiability. Maxima and minima. Mean value theorem. Integration.
Probability and Statistics: Random variables. Uniform, normal, exponential, poisson and binomial distributions. Mean, median, mode and standard deviation. Conditional probability and Bayes theorem.

Section 2: Digital Logic
Boolean algebra. Combinational and sequential circuits. Minimization. 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. Recursion. 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. Deadlock. CPU and I/O scheduling. Memory management and virtual memory. File systems.

Section 9: Databases
ER‐model. 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.

Best GATE CSE Books

Topic Book NameAuthor
AptitudeA Modern Approach to Verbal & Non-Verbal ReasoningR.S. Aggarwal
Quantitative Aptitude For Competitive ExaminationsR.S. Aggarwal
Programming & Data Structure The C Programming languageBrian W. Kernighan, Dennis M. Ritchie
Classic Data StructuresDebasis Samanta
AlgorithmsIntroduction to AlgorithmsThomas H. Cormen, Charles E. Leiserson,  Ronald L. Rivest, Clifford Stein
Computer NetworksComputer Networking: A Top-Down ApproachJames F. Kurose, Keith W. Ross
Operating SystemsOperating System ConceptsSilberschatz, Galvin, Gagne
DatabasesDatabase System ConceptsSilberschatz, Sudarshan, Korth
Theory of ComputationAn Introduction to Formal Languages and AutomataPeter Linz
Computer Organization & ArchitectureComputer Organization and ArchitectureHamacher, Vranesic, Zaky
Engineering MathematicsHigher Engineering MathematicsB. S. Grewal, Edition
Digital LogicDigital Logic & Computer DesignM. Morris Mano
Complier LogicCompilers: Principles, Techniques and ToolsAlfred V. Aho, Ravi Sethi, D. Jeffrey Ulman
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