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03:28 Chapter 1
04:37 Chapter 2
05:35 Chapter 3
06:03 Chapter 4
06:42 Chapter 5
07:09 Chapter 6
07:46 Chapter 7
08:42 Chapter 8
09:39 Chapter 9
10:23 Chapter 10
11:09 Chapter 11
12:00 Chapter 12


9th Class Computer Science:
9th Computer Science 2025 Chapter 1
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9th Computer Science 2025 Chapter 2
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9th Computer Science 2025 Chapter 3
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9th Computer Science 2025 Chapter 4
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9th Computer Science 2025 Chapter 5
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9th Computer Science 2025 Chapter 6
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9th Computer Science 2025 Chapter 7
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9th Computer Science 2025 Chapter 8
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9th Computer Science 2025 Chapter 9
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9th Computer Science 2025 Chapter 10
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9th Computer Science 2025 Chapter 11
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9th Computer Science 2025 Chapter 12
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9th Computer Science 2025
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9th Computer Science All Exercise
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9th Computer Science All Activities and Tidbits
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Chapter 1 Introduction
Various types of systems. It begins by defining what a system is, discussing its basic components, objectives, environment, and methods of communication. Natural and artificial systems. It provides a detailed look at the Von Neumann computer architecture, exploring its components, how it works, its unique features, as well as its strengths and weaknesses. The chapter also covers different types of computing systems.

Chapter 2 Introduction
Understanding number systems is fundamental in computer science and digital electronics. This chapter will delve into various numbering systems, their applications, and how they are used in computers.

Chapter 3 Introduction
In this chapter, we will discuss the Boolean functions, logic, digital logic, and difference between analog and digital signals. Their truth tables, half and full adders. Boolean expressions, create truth table, and understand the basics of digital logic.

Chapter 4 Introduction
System troubleshooting keeping computers, machines, and equipment running smoothly. Identify the problem and find a quick solution, preventing issues like downtime, reduced productivity, and potential damage.

Chapter 5 Introduction
System software and application software, types of software.

Chapter 6 Introduction
Computer networks components, objectives, and real-world applications.

Chapter 7 Introduction
Computational thinking is an essential skill that enables individual’s complex problems using methods, fundamental components: decomposition, pattern recognition, abstraction, and algorithms. Complicated problems, identifying patterns step-by-step procedures for solving problems.

Chapter 8 Introduction
Web development, Hyper Text Markup Language (HTML), JavaScript and Cascading Style Sheet (CSS) will be explained. JavaScript syntax and data types, work with variables, operators, and functions, handle events and user inputs, create simple programs, and develop static web pages using HTML and CSS


Chapter 9 Introduction
Data management and its impact effective ways to collect and store it analyzing data, using both quantitative and qualitative techniques. Charts and graphs. Along with ethical issues involved in working with data.

Chapter 10 Introduction
Artificial Intelligence (AI) introduction to AI and lot, algorithms and techniques

Chapter 11 Introduction
Schoolwork, staying in touch with friends, and even playing games. Use computers and digital platforms wisely. Personal information safe, make smart choices about problems and protecting ourselves and others.

Chapter 12 Introduction
Entrepreneurship is the process of designing, launching, and running a new business, often initially a small business, offering a product, process, or service for sale or hire. Definition, significance, types of entrepreneurs, and the impact of digital technologies.

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Computer Science 9th class
Lecturer of Computer Science
By Sir Shahbaz Ali
For any query or private tutoring contact (0309-0334424)
[email protected]