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class 3 ch1 answqer

  1. Difference between Hardware and Software Hardware 🖥️ Software 💻 It is the physical parts of a computer It is the programs in a computer We can see and touch it We cannot touch it Example: Keyboard, Mouse Example: Paint, Games 2. What is IPO? (Input-Process-Output) IPO means how a computer works step by step: Input ➡️ We give data to computer (like typing on keyboard) Process ➡️ Computer thinks and works on it Output ➡️ Computer gives result (like showing on screen) 👉 Example: You type 2 + 2 → Computer calculates → Shows 4 3. Why CPU is called the Brain of Computer? CPU is called the brain of the computer because: It controls all parts of the computer It does all calculations and thinking It tells other parts what to do 4. Parts of CPU and their Functions ALU (Arithme...
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 Here are simple notes for Class 5 students on modern technologies with definitions, examples, and photo ideas (you can add images in your notes or slides easily 👇) 📘 Modern Technologies (Class 5 Notes) 🤖 1. Artificial Intelligence (AI) 📖 Definition: Artificial Intelligence (AI) is a technology that helps machines think and learn like humans . 💡 Example: Voice assistants like Google Assistant Face recognition in mobile phones 🖼️ Photo Idea: 👉 Robot talking to a human / AI assistant in phone 🤖 2. Robotics 📖 Definition: Robotics is the technology of designing and building robots that can do tasks automatically. 💡 Example: Robots in factories Cleaning robots 🖼️ Photo Idea: 👉 Industrial robot working in a factory 🌐 3. Internet of Things (IoT) 📖 Definition: IoT means connecting everyday objects to the internet so they can send and receive data. 💡 Example: Smart TV Smart watch 🖼️ Photo Idea: 👉 Smart home with connected devices 🔗 4. Blockchain 📖 Definition: Blockcha...
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 Here are simple and clear notes for Class 6 students on Programming Languages (3GL, 4GL, 5GL) and Computer Translators with examples and images. 📘 Programming Languages & Translators (Class 6 Notes) 💻 What is a Programming Language? A programming language is a way to give instructions to a computer so that it can perform tasks. 👉 Example: C, Java, Python 🔹 Types of Programming Languages 🟢 3GL (Third Generation Language) 📌 Definition: A 3GL is a high-level programming language that is easy to read and write compared to machine language. ✨ Features: Uses English-like words Needs a translator (compiler/interpreter) Easy to understand 📌 Examples: C Java Python 🔵 4GL (Fourth Generation Language) 📌 Definition: A 4GL is a language used to interact with databases and generate reports easily. ✨ Features: Very easy to use Less coding required Used for database work 📌 Examples: SQL Oracle FoxPro 🟣 5GL (Fifth Generation Language) 📌 Definition: A 5GL is used in artificia...
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class 8 chapter 1 wxer cise answer

Operating System (OS) – Class 8 Notes 1. Operating System (OS) Definition: An Operating System is system software that controls and manages the computer hardware and software and allows the user to interact with the computer. Examples: Microsoft Windows Linux macOS Android Functions of an Operating System Manages hardware devices. Runs application programs. Manages memory. Controls input and output devices. Provides user interface (GUI or CUI). Manages files and folders. Types of Operating System 1. Multitasking Operating System Definition: A multitasking OS allows a computer to run more than one program at the same time . Example: Microsoft Windows macOS Example Situation: Listening to music while typing a document. Use: In personal computers For office work 2. Multi-user Operating System Definition: A multi-user OS allows multiple users to use the same computer system at the same time . Examples: Unix Linux Use: Used in servers Used in banks and large organizations 3. Real-Time Op...
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class 7 chapter 1

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 Here are simple notes for Class 7 students about Computer Memory, Hardware Devices, Ports, and Storage Devices . The language is simple so students can understand easily. Computer Notes for Class 7 1. What is Memory? Memory is the part of a computer that stores data, instructions, and information so that the CPU can use them. 📌 Example: When you open a game or program, the computer stores the data in memory so it can run. Types of Memory Primary Memory (Main Memory) RAM ROM Secondary Memory (Storage Devices) Hard Disk SSD CD/DVD 2. RAM (Random Access Memory) RAM is the temporary memory of the computer. It stores data while the computer is running . If the computer turns off, the data is lost . Types of RAM SRAM (Static RAM) Faster Expensive Used in cache memory DRAM (Dynamic RAM) Slower than SRAM Cheaper Used in main memory Functions of RAM Stores data while programs are running Helps CPU process information quickly Runs software and applications 3. ROM (Read Only Memory) RO...
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