💻 What is a Computer?
A computer is an electronic device that can store, retrieve, and process data. It follows instructions (called programs) to perform a wide variety of tasks, such as calculations, word processing, internet browsing, playing music, and much more.
🔧 Basic Parts of a Computer
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Hardware – The physical parts of the computer.
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CPU (Central Processing Unit): The brain of the computer that processes data.
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Monitor: Displays the output (like a screen).
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Keyboard: Used to input text and commands.
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Mouse: Used to point and click on items.
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RAM (Memory): Temporary storage the computer uses while working.
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Hard Drive / SSD: Permanent storage for data and programs.
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Software – The programs and operating systems that run on the computer.
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Operating System (OS): Manages hardware and software (e.g., Windows, macOS, Linux).
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Applications: Programs like MS Word, browsers, games, etc.
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🖥️ Types of Computers
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Desktop: A personal computer for regular use.
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Laptop: Portable and battery-powered computer.
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Tablet/Smartphone: Touchscreen devices with computing power.
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Server: Powerful systems that store and manage data for other computers.
📚 Basic Computer Operations
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Input: Entering data using devices like keyboard/mouse.
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Processing: The CPU processes the input data.
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Storage: Saving the data in memory or disk.
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Output: Displaying results using a monitor or printer.
🌐 Common Uses of Computers
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Studying and learning
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Office work (documents, spreadsheets)
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Internet browsing and communication (email, social media)
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Gaming and entertainment
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Programming and software development
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