Class 9 Computer Science Exercise Notes Chapter 4

Class 9 Computer Science Exercise Notes Chapter 4

For the benefit of students from all Punjab Boards, we have also provided notes in Urdu for the ninth-grade computer science course. We uploaded 9th class computer science notes for all chapters in this section. You can view the below pdf for all chapter notes for 9th class computer science.

Notes in Urdu for Computer Science in the Ninth Grade

Students and teachers have been asking for fresh book notes in computer science for months, but they might not be forthcoming anytime soon. The chapter-by-chapter notes for each of these chapters will be uploaded here. In these notes, we’ll try to cover the following topics.

  • Exercise and Additional answered MCQs
  • Practice and additional brief questions and answers
  • Questions and answers in great detail.
  • 9th Grade Exam Papers
  • All topics’ 9th class previous exams are being uploaded here. Visit to get 9th class old exams for Islamiat (obligatory), Urdu, Pak Studies, Physics, Chemistry, Mathematics, Biology, and Comp Science.

This section contains 9th class computer science notes for following chapters.

  1. New Syllabus 9th Class Computer Science Notes
  2. Fundamentals of Computer
  3. Fundamentals of Operating System
  4. Office Automation
  5. Data Communication
  6. Computer Networks
  7. Computer Security and Ethics

In this first chapter, a detailed introduction about the computer is given in simple words