Updated 9th Class Computer Science Book PDF (PTB) – Session 2025-2026

Download 9th Class Computer Science Book PDF (New Syllabus)

The field of Computer Science evolves rapidly. The Punjab Textbook Board (PTB) completely revised the 9th Class syllabus recently. The old book (Windows XP/Office) is obsolete. The New Book focuses on Logic Building, Data Security, and Web Development (HTML).

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⚠️ Important: Check Before You Download!

Ensure you are downloading the New Course book.
Correct Syllabus: Includes Flowcharts, Binary System, Data Privacy, and HTML.
Wrong Syllabus: Includes History of Computer, Windows, and MS Office.

📘 Syllabus Breakdown: 5 Units

The new course is short but technical. Here is the breakdown:

Unit 1: Problem Solving
(Flowcharts & Algorithms)

Unit 2: Binary System
(Conversions & Memory)

Unit 3: Networks
(Topologies & TCP/IP)

Unit 4: Data Privacy
(Encryption & Copyright)

Unit 5: Web Designing
(HTML Tags & Hyperlinks)

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📝 Computer Paper Pattern & Marks (50 Marks)

Unlike Science subjects (60 Marks), Computer has a 50-mark theory paper.

Section	Description	Marks
Q1: MCQs	10 Multiple Choice Questions	10
Short Questions	3 Sections (4 from each Unit)	24
Long Questions	Attempt 2 out of 3 (8 Marks each)	16
Total	Time Allowed: 2 Hours	50

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📥 Download PTB 9th Class Computer Book PDF

Click the button below to download the official English Medium textbook. This version includes clear code snippets for Unit 5.

Download Computer Book PDF Format: PDF | Size: 12 MB | Publisher: Punjab Textbook Board

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💡 How to Ace Unit 1 & Unit 5?

Unit 1 (Flowcharts) and Unit 5 (HTML) are the most important for Long Questions.
1. Flowcharts: You must use the correct symbols (Diamond for Decision, Parallelogram for Input/Output).

2. HTML Code: You will be asked to write code for a Table or List. Memorize the basic structure:

Need Solved HTML Exercises? Check our Notes Section.