GATE CS Syllabus 2026

Computer Science & Information Technology

GATE Computer Science (CS) Syllabus 2026

Code: CS | Marks: 100 | Duration: 3 Hours

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Core Topics

💻 Data Structures & Algorithms

  • Array, LinkedList, Queue, Stack
  • Tree, BST, B-Tree, AVL Trees
  • Sorting & Searching algorithms
  • Graph algorithms (BFS, DFS)
  • Complexity Analysis

🗄️ Databases

  • ER Model, Normalization
  • SQL (DML, DDL, DCL)
  • Transaction & Concurrency
  • Indexing, Hashing
  • Query Processing

🖥️ Operating Systems

  • Processes & Threads
  • Synchronization, Deadlock
  • CPU Scheduling
  • Memory Management
  • File Systems

🌐 Computer Networks

  • OSI Model, TCP/IP
  • Routing Protocols
  • DNS, DHCP, HTTP/HTTPS
  • Network Security
  • Switching & Subnetting

🔧 Compiler Design

  • Lexical Analysis
  • Syntax Analysis & Parsing
  • Semantic Analysis
  • Code Optimization
  • Symbol Tables

📐 Discrete Mathematics

  • Set Theory, Logic
  • Relations & Functions
  • Combinatorics
  • Graph Theory
  • Recurrence Relations