Computer Science Class 9 Notes PDF [MCQs, Short Q, Long Q] 2023

Dear student, at this website you will get computer science class 9 notes pdf 2023. It is a modern subject in the field of education, especially in today’s digital age. You are at the right place where you can get easy class 9 computer notes punjab board. As a student, you will be glad to know that we have a collection of helping material which is quite suitable for your exams preparation.

These chapter wise notes contain solved exercises, important questions, mcqs with answers, short and long questions with answers. As we know, a computer has become an important part of our lives, so every student of 9th class must prepare these notes thoroughly.

Computer Science Class 9 Notes PDF

Computer Science Class 9 Notes PDF

Simply click on any chapter to read it. Any student can use these notes to get higher marks in the examination.

Chapter 1: Problem-Solving
Chapter 2: Binary System
Chapter 3: Networks
Chapter 4: Data and Privacy
Chapter 5: Designing Website
Class 9 Computer Science Chapter Wise Notes

We have provided detailed information and solutions of every chapter in the new syllabus issued by Punjab text book board. Particularly, if you want to download this helping material then let us know in the comment box below.  

In the current age, people are using computer in every field of life. That’s why, computer science subject is popular among students of class 9. People are doing videos editing on computers, showing lectures in classrooms through projectors, printing notes and other educational material by using printers etc. These all devices are in connected with computers. Also, the usage of computer in our daily life is increasing day by day.

9th Class Computer Science Notes In English PDF

Even, you can also read these English medium notes on your computer or on mobile phone. For this, you have to click on any chapter link and it will lead you to the next page where you can read answers to multiple choice questions, long and short as well. These comprehensive notes are in high quality and PDF format. Every chapter has been divided in to three sections.

Students can use this kind of helping material as solutions key book.  To understand advanced computer technology, these guides will help you to achieve your goal in the examination. Many of you are thinking about what is computer? Basically, it is a well equipped electronic machine which can process input signal and transfer it to a meaningful output. With the help of computer you can perform many daily tasks with fast speed and much accuracy.

In the past, computers were less developed and could process only small datas. But nowdays, modern PCs are so powerful that they can manage and process large amount of data in seconds. Also, computer scientists have made consistent and accurate robots which you can see working in many industries all over the worlds.


We do hope that you have got class 9 computer notes in the pdf format at our site. It is a subject where you can learn basics of programming structure, different applications and its uses and much more. Revise these notes and do practice of each question so that you can get top grades in the 9th class exams. Succeeding in exams is a first step toward making a career in computer science field. However, if you have any suggestions or feedback then you can tell us in the comment section below.

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