Class 9 students can download the official Computer Science and IT textbook here for free. This book is published by Punjab Curriculum and Textbook Board (PCTB) Lahore and covers the new Computer Science syllabus for 9th class students.
The new Computer Science & IT Class 9 book is a significant update from older editions. It covers modern topics including problem solving, networks, data privacy, encryption, and website designing using HTML. Both Urdu and English medium editions are available for download below.
Book Overview
- Class: 9th Class / Matric Part 1
- Subject: Computer Science and IT
- Board: Punjab Board (PCTB)
- Author: Dr. Muhammad Atif Chattha
- Publisher: Malik House Publishers & Printers, Lahore
- Edition: 2020 (March 2019 printing)
- Total Units: 5
- Medium: Urdu and English (both available)
- Format: PDF (Free Download)
Chapter List
Unit 1: Problem Solving
Covers problem solving steps, flowcharts (definition, symbols, examples), algorithms (definition, role, formulation, efficiency), test data, verification and validation, and identification and correction of errors using trace tables.
Unit 2: Binary System
Covers decimal, binary, and hexadecimal number systems, number system conversions, memory and data storage, measurement of computer memory size, and Boolean algebra including truth tables, logical operators (AND, OR, NOT), and laws of Boolean algebra.
Unit 3: Networks
Explains computer networks, need for networks, client-server model, physical structure of networks (types of connection, topologies), basics of data communication, computer network models, TCP/IP protocols, IP addressing, routing, and HTTP requests and responses.
Unit 4: Data and Privacy
Covers ethical issues related to data security, importance of data privacy, simple encryption methods (Caesar Cipher, Vigenere Cipher), encryption with keys and passwords, cybercrime including phishing and DoS attacks.
Unit 5: Designing Website
Introduces HTML, creating web pages, HTML tags and attributes, text formatting, creating lists, images and backgrounds, hyperlinks, anchors, graphical hyperlinks, and creating tables.
Download Computer Science Class 9 PDF
Both Urdu and English medium editions are available below. Download the one that matches your medium.
Urdu Medium (2020)
English Medium (2020)
⬇ Download PDF (English Medium)
Who Should Read This
This book is for all Class 9 students studying Computer Science under Punjab Board. The new curriculum covers practical and modern topics like problem solving, networks, data privacy, and HTML web design. Students who plan to continue with ICS or pursue IT careers will find this foundation especially useful.
Applicable Boards
This PCTB textbook is used across all Punjab Board affiliated schools — Lahore Board, Faisalabad Board, Gujranwala Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Khan Board, and Sahiwal Board.
FAQs
Is this the new Computer Science book for Class 9?
Yes. This is the new PCTB Computer Science and IT textbook for Class 9, published in 2020. It is different from the older Part 1 edition and covers updated topics including HTML, networks, and data privacy.
How many units are in this book?
There are 5 units: Problem Solving, Binary System, Networks, Data and Privacy, and Designing Website (HTML).
Is HTML included in Class 9 Computer Science?
Yes. Unit 5 covers website designing using HTML, including web page creation, formatting, lists, images, hyperlinks, and tables.
Is both Urdu and English medium available?
Yes. Both Urdu medium and English medium PDF editions of the 2020 book are available for free download above.
Is this book different from the old Computer Science Class 9 book?
Yes. The old book was a Part 1 edition covering basic hardware and software topics. This new 2020 edition has a completely updated syllabus with problem solving, networking, encryption, and HTML.