Top 5 Topics for Each Section of GATE CS Syllabus (original) (raw)

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Last Updated : 23 Jul, 2025

Below are the most important topics in all 10 sections of GATE CS Syllabus. The list is prepared according to number of questions in

previous year papers

.

**1. **Mathematics

  1. Matrix Determinant.
  2. Eigenvalues.
  3. Propositional Logic and Predicate Logic.
  4. Conditional Probability.
  5. Relations.

**2. **Digital Logic

  1. Combinational Circuits : Multiplexers, De-multiplexers and Decoders.
  2. Sequential Circuits : Counters
  3. Logic Gates.
  4. Number System.
  5. Minimization of Boolean Expressions.

**3. **Computer Organization and Architecture

  1. Cache Organization
  2. Pipelining.
  3. I/O Data Transfer
  4. Addressing Modes.
  5. Number Representation.

**4. **Programming and Data Structures

  1. Recursive Programs
  2. Stacks
  3. Queue
  4. Trees.
  5. Graphs.

**5. **Algorithms

  1. Algorithm Analysis.
  2. Sorting Algorithms
  3. Heaps.
  4. Graph Algorithms.
  5. Divide and Conquer & Greedy Algorithms.

**6. **Theory of Computation

  1. DFA
  2. Regular Expressions
  3. Regular Languages.
  4. Closure Properties.
  5. Undecidability.

**7. **Compiler Design

  1. LR Parsers
  2. LL(1) Parser.
  3. Predictive Parser.
  4. Minimum no of nodes and edges in DAG.
  5. Intermediate code Generation & its purpose.

**8. **Operating Systems

  1. Synchronization Mechanisms, Concurrency in IPC environment.
  2. Virtual Memory
  3. CPU Scheduling Algorithms.
  4. Techniques of Memory Management.
  5. Implementation issues of File system design.

**9. **DBMS (Database Management Systems)

  1. Relational Algebra
  2. SQL Queries
  3. Transactions.
  4. Serializability.
  5. Normalizations.

**10. **Computer Networks

  1. Sliding Window Protocol.
  2. TCP/UDP
  3. IPV4/IPV6
  4. Ethernet.
  5. Encryption and Decryption Algorithms.

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