GATE 2018 Syllabus 
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Section 1: Numerical and Verbal Ability
 Numerical Ability : Numerical computation,
numerical estimation, numerical reasoning and data interpretation
 Verbal Ability : English grammar, sentence completion,
verbal analogies, word groups, instructions,
critical reasoning and verbal deduction

 Numerical Ability :
 Verbal Ability :

 Numerical Ability :
 Verbal Ability :

 Numerical Ability :
 Verbal Ability :

Section 2: Mathematics
 Discrete Mathematics :
 Propositional and first order logic
 Sets, relations, functions, partial orders and lattices. Groups
 Combinatorics: counting, recurrence relations, generating functions
 Graphs: connectivity, matching, coloring
 Linear Algebra :
 Matrices, determinants
 LU decomposition
 System of linear equations
 Eigenvalues and eigenvectors
 Probability :
 Random variables
 Mean, median, mode and standard deviation
 Uniform, normal, exponential, Poisson and binomial distributions
 Conditional probability and Bayes theorem
 Calculus :
 Limits, Continuity and Differentiability
 Maxima and Minima. Mean value theorem
 Integration

 Discrete Mathematics :
 Linear Algebra :
 Probability :
 Calculus :

 Discrete Mathematics :
 Linear Algebra :
 Probability :
 Calculus :

 Discrete Mathematics :
 Linear Algebra :
 Probability :
 Calculus :

Section 3: Algorithms
 Searching, sorting, hashing
 Asymptotic worst case time and space complexity
 Algorithm design techniques : greedy, dynamic programming and divide‐and‐conquer
 Graph search, minimum spanning trees, shortest paths

 Asymptotic Analysis of Algorithms :
 Recurrence Relations :
 Divide and Conquer :
 Greedy Techniques :
 Graph Based Algorithms :
 Dynamic Programing :
 Searching, Sorting and Hashing :
 Misc :

 Asymptotic Analysis of Algorithms :
 Recurrence Relations :
 Divide and Conquer :
 Greedy Techniques :
 Graph Based Algorithms :
 Dynamic Programing :
 Searching, Sorting and Hashing :
 Misc :

Algorithms :

Section 4: Programming and Data Structures
 Programming in C, Recursion
 Arrays, stacks, queues, linked lists, trees, binary search trees, binary heaps, graphs

 Programming in C, Recursion :
 Array, Stack, Queue :
 Linked Lists :
 Trees, Binary search trees, Binary heaps :
 Graphs :

 Programming in C, Recursion :
 Array, Stack, Queue :
 Linked Lists :
 Trees, Binary search trees, Binary heaps :
 Graphs :

Programming and Data Structures :

Section 5: Operating Systems
 Processes, threads, CPU scheduling
 Inter‐process communication, concurrency and synchronization, deadlock
 Memory management and virtual memory
 File systems

 Processes, threads, CPU scheduling :
 Inter‐process communication, concurrency and synchronization:
 Deadlock :
 Main memory management :
 Virtual memory :
 File system and disk scheduling :

 Processes, threads, CPU scheduling :
 Inter‐process communication, concurrency and synchronization :
 Deadlock :
 Main memory management :
 Virtual memory :
 File system and disk scheduling :

Operating Systems :

Section 6: Databases
 ER‐model, Relational model : relational algebra, tuple calculus, SQL
 Integrity constraints, normal forms
 Transactions and concurrency control
 File organization, indexing (e.g., B and B+ trees)

 ER‐model :
 Relational model (relational algebra, tuple calculus) :
 Database design (integrity constraints, normal forms) :
 Query languages (SQL) :
 Transactions and concurrency control :
 File structures (sequential files, indexing, B and B+ trees) :

 ER‐model:
 Relational model (relational algebra, tuple calculus):
 Database design (integrity constraints, normal forms):
 Query languages (SQL) :
 Transactions and concurrency control:
 File structures (sequential files, indexing, B and B+ trees):

Databases :

Section 7: Computer Networks
 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

 Network Fundamental and Physical layer :
 Data Link layer :
 Network layer :
 Transport layer :
 Application layer :
 Network security :

 Network Fundamental and Physical layer :
 Data Link layer :
 Network layer :
 Transport layer :
 Application layer :
 Network security :

Computer Networks :

Section 8: Computer Organization and Architecture
 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)

 Machine instructions and addressing modes :
 ALU, data‐path and control unit :
 Instruction pipelining :
 Cache Memory :
 I/O interface (Interrupt and DMA mode) :

Computer Organization and Architecture :

Computer Organization and Architecture :

Section 9: Theory of Computation
 Regular expressions and finite automata
 Contextfree grammars and pushdown automata
 Regular and contextfree languages, pumping lemma
 Turing machines and undecidability

 Regular expression, langauges, grammar and finite automata :
 Context free langauges, grammar and push down automata :
 Context Sensitive langauges :
 Turing machines and undecidability :

 Regular expression, langauges, grammar and finite automata :
 Context free langauges, grammar and push down automata :
 Context Sensitive langauges :
 Turing machines and undecidability :

Theory of Computation :

Section 10: Compiler Design
 Lexical analysis, parsing, syntaxdirected translation
 Runtime environments
 Intermediate code generation

 Introduction of Compiler :
 Lexical analysis :
 Parsing :
 Syntax directed transalation :
 Runtime environments :
 Intermediate code generation :

 Introduction of Compiler :
 Lexical analysis :
 Parsing :
 Syntax directed transalation :
 Runtime environments :
 Intermediate code generation :

Compiler Design :

Section 11: Digital Logic
 Boolean algebra
 Combinational and sequential circuits. Minimization
 Number representations and computer arithmetic (fixed and floating point)

 Introduction of Boolean Algebra and Logic Gates :
 Combinational Circuits :
 Sequential Circuits :
 Number Representation and Computer Airthmetic :

Digital Logic :

Digital Logic :
