Punjab BoardClass 912 chapters

9th Class Computer Science Notes

Every chapter of the computer science syllabus for 9th Class under the Punjab Board, in the order the book takes them. 12 chapters have a finished lesson — notes, worked examples, a graph you can move, flashcards and a quiz. The rest are mapped and 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