Punjab BoardClass 912 chapters

9th Class Computer Science Notes

Practice94 MCQs & 72 exam questions with answers & mark schemes →

Every chapter of the computer science syllabus for 9th Class under the Punjab Board, in the order the book takes them. 12 lessons are published so far — each with notes, worked examples, a graph you can move, flashcards and a quiz — and more are being written.

Also called Matric Part 1, SSC Part 1.

Paper scheme

45 marks total
SectionQuestionsMarksHow it works
Objective — MCQs10 × 110One mark each, no choice.
Short questions10 × 220Two questions; attempt any five from each.
Long questions3 × 515Attempt three of four.

Boards adjust the scheme from year to year. Check the current one against your own board before relying on it for revision planning.

01

Introduction to Systems

02

Number Systems

03

Digital Systems and Logic Design

04

System Troubleshooting

05

Software System

06

Introduction to Computer Networks

07

Computational Thinking

08

Web Development with HTML, CSS and JavaScript

09

Data Science and Data Gathering

10

Emerging Technologies in Computer Science

11

Ethical, Social and Legal Concerns in Computer Usage

12

Entrepreneurship in the Digital Age

Frequently asked questions

What does 9th Class Computer Science cover?

All 12 chapters — Introduction to Systems, Number Systems, Digital Systems and Logic Design, and more. The finished lessons carry notes, worked examples, an interactive diagram and a quiz; the remaining topics are mapped and being written.

Do these notes follow the Punjab Board syllabus?

Yes. They follow the 9th Class Computer Science syllabus (9th Class, Matric Part 1, SSC Part 1) under the Punjab Board, chapter by chapter, in the order the textbook takes them.

Are there practice questions or past-paper-style questions?

Yes — 94 multiple-choice questions and 72 exam-style questions with mark schemes, all with answers, on the 9th Class Computer Science practice page.

Are the 9th Class Computer Science notes free?

Yes — completely free, with no sign-up or login. Every topic has notes, worked examples, an interactive diagram you can change, flashcards and a quiz that explains each answer.