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GATE 2018 Computers (CS/IT) Syllabus
Section I: Engineering Mathematics

Discrete Mathematics:
Propositional and first order logic. Sets, relations, functions, partial orders and lattices. 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:
Random variables. Uniform, normal, exponential, poisson and binomial distributions. Mean, median, mode and standard deviation. Conditional probability and Bayes theorem.
Section II: Digital Logic

Topics:
Boolean algebra. Combinational and sequential circuits. Minimization. Number representations and computer arithmetic (fixed and floating point).
Section III: Computer Organization and Architecture

Topics:
Machine instructions and addressing modes. ALU, data?path and control unit. Instruction pipelining. Memory hierarchy: cache, main memory and secondary storage; I/O interface (interrupt and DMA mode).
Section IV: Programming and Data Structures

Topics:
Programming in C. Recursion. Arrays, stacks, queues, linked lists, trees, binary search trees, binary heaps, graphs.
Section V: Algorithms

Topics:
Searching, sorting, hashing. Asymptotic worst case time and space complexity. Algorithm design techniques: greedy, dynamic programming and divideandconquer. Graph search, minimum spanning trees, shortest paths.
Section VI: Theory of Computation

Topics:
Regular expressions and finite automata. Contextfree grammars and pushdown automata. Regular and contexfree languages, pumping lemma. Turing machines and undecidability.
Section VII: Compiler Design

Topics:
Lexical analysis, parsing, syntaxdirected translation. Runtime environments. Intermediate code generation.
Section VIII: Operating System

Topics:
Processes, threads, inter?process communication, concurrency and synchronization. Deadlock. CPU scheduling. Memory management and virtual memory. File systems.
Section IX: Databases

Topics:
ERmodel. 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 X: Computer Networks

Topics:
Concept of layering. LAN technologies (Ethernet). Flow and error control techniques, switching. IPv4/IPv6, routers and routing algorithms (distance vector, link state). TCP/UDP and sockets, congestion control. Application layer protocols (DNS, SMTP, POP, FTP, HTTP). Basics of WiFi. Network security: authentication, basics of public key and private key cryptography, digital signatures and certificates, firewalls.
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GATE Computers (CS/IT) Test/Exam Pattern (Based on last 3 years papers)
Good Score For GATE Computers (CS/IT) Considered To Be: 55