Computer Science and Information Technology — Textbook & Study Material

Download the official textbook for Computer Science and Information Technology and see the full chapter list so you know exactly what to cover.

What you will study (chapters)

Chapter 1: Mathematical Logic
Chapter 2: Probability
Chapter 3: Boolean Algebra and Logic Gates
Chapter 4: Number Representation and Computer Arithmetic
Chapter 5: Machine Instructions and Addressing Modes
Chapter 6: ALU, Data Path, CPU Control, and Memory & I/O Interfaces
Chapter 7: Programming in C: Functions, Recursion, and Pointers
Chapter 8: Data Structures: Arrays, Linked Lists, Stacks, Queues, Trees, Heaps
Chapter 9: Algorithm Analysis and Asymptotic Notation
Chapter 10: Greedy, Dynamic Programming, and Divide-and-Conquer
Chapter 11: Regular Languages and Finite Automata
Chapter 12: Context-Free Languages and Pushdown Automata
Chapter 13: Lexical Analysis and Parsing
Chapter 14: Syntax-Directed Translation and Runtime Environments
Chapter 15: Processes, Threads, and Inter-Process Communication
Chapter 16: Concurrency, Synchronization, Deadlock, Scheduling
Chapter 17: ER Model and Relational Model
Chapter 18: SQL, Integrity Constraints and Transactions
Chapter 19: Requirements, Feasibility Analysis, and Data Flow Diagrams
Chapter 20: Design, Coding, Testing, Maintenance, and Project Management
Chapter 21: OSI Model, LAN Technologies, Routing and Congestion Control
Chapter 22: TCP/UDP, Sockets, IP (IPv4/IPv6)
Chapter 23: HTML, XML, and Client-Server Computing
Chapter 24: Web Technologies: Basic Concepts and Standards

Frequently asked questions

Is the Computer Science and Information Technology textbook available for free?

The book linked above is free to download from its source — we link to it rather than hosting a copy, so you always get the current edition. Note that GATE itself does not publish or prescribe a textbook; it publishes the syllabus and past papers, and you should check any book against the current official syllabus.

Is the Computer Science and Information Technology textbook enough to score well, or do I need extra notes?

No single book covers GATE. Use the official syllabus as your checklist, pick a standard reference per topic, and spend most of your time on past papers and timed practice — the exam rewards problem-solving speed far more than re-reading.

How should I study the Computer Science and Information Technology textbook chapter by chapter?

Cover the high-weightage chapters first (use the exam pattern as a guide), make a one-page summary per chapter, and immediately solve a few past-paper questions on it. Active recall beats passive re-reading.

How can I prepare for Computer Science and Information Technology faster?

Begin with the most-frequently-asked topics and the last few years of question papers, then test yourself under timed conditions. If you want guided help, you can use the free AI study tutor for Computer Science and Information Technology — practise past-paper questions and get instant feedback — or a focused Computer Science and Information Technology study guide that condenses the syllabus into the topics that matter most — both are free to start.