Class 9 Computer Notes Chapter 4 PDF — System Troubleshooting (Solved Exercises + MCQs, SQs, LQs) Computers are complex systems, and sometimes they face problems that interrupt their performance. The ability to identify and fix such issues is called System Troubleshooting. Chapter 4 of Class 9 Computer Science explains the concept of troubleshooting, common hardware […]
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Class 9 Computer Notes Chapter 3 PDF — Digital System & Logic Design (Solved Exercises + MCQs) Computers may look complicated, but their working principle is based on simple logical decisions. Class 9 Computer Chapter 3, titled “Digital System & Logic Design”, introduces students to how computers process data using digital electronics and logic gates.
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Class 9 Computer Notes Chapter 2 PDF — Number System (Solved Exercises + MCQs) The world of computing starts with numbers, and understanding how computers represent and process information is the foundation of computer science. In Class 9 Computer Chapter 2, titled “Number System”, students are introduced to binary, octal, decimal, and hexadecimal systems. To
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Class 9 Computer Notes Chapter 1 — Complete PDF Guide (Introduction to System) Preparing for the Class 9 computer exam is easier when you have focused, well-structured materials. This guide explains exactly what should be included in your class 9 computer notes chapter 1 package (Chapter name: Introduction to System), why both English and Urdu
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Class 9 Biology notes chapter 1 pdf — The Science of Biology (Solved Exercises + MCQs) Biology begins with curiosity about life and living organisms. Class 9 Biology Chapter 1 is titled “The Science of Biology”, and it introduces students to the importance, scope, and applications of biology in our daily lives. To make this
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Class 9 Physics notes chapter 9 pdf — Nature of Science (MCQs + Solved Exercises) Chapter 9 of Class 9 Physics is titled Nature of Science, a chapter that introduces students to the principles of scientific knowledge, methodology, and applications in everyday life. This unit encourages critical thinking and shows how science evolves through observation,
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Class 9 Physics notes chapter 8 pdf — Magnetism (MCQs + Solved Exercises) Magnetism is one of the most fascinating topics in Physics, as it explains the invisible forces that affect our everyday life, from compass needles to modern electric devices. In the Punjab board syllabus 2026, Class 9 Physics Chapter 8 focuses on magnetic
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Class 9 Physics notes chapter 7 pdf — Thermal Properties of Matter (MCQs + Solved Exercises) The study of heat and its effect on matter is an essential part of Physics. In Class 9, Chapter 7 is titled Thermal Properties of Matter. It explains how solids, liquids, and gases respond to temperature changes and how
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Class 9 Physics notes chapter 6 pdf — Mechanical Properties of Matter (MCQs + Solved Exercises) Physics not only explains motion and forces but also the behavior of matter under stress and pressure. In Class 9, Chapter 6 — Mechanical Properties of Matter — introduces students to the study of elasticity, pressure, density, stress, strain,
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Class 9 Physics notes chapter 5 pdf — Work, Energy and Power (Solved Exercises + MCQs) Physics becomes more interesting when theory connects with real-life applications, and that’s exactly what Chapter 5 — Work, Energy and Power — offers. To make learning stress-free, you can download the Class 9 Physics notes chapter 5 pdf, which
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