What is a Computer?
Computer kya hota hai?
Computer ek electronic machine hai jo data ko store karta hai, process karta hai aur output deta hai.
Parts of Computer
Input Devices
Input devices wo hote hain jinke through hum computer ko instructions dete hain.
Examples:
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Keyboard
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Mouse
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Scanner
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Microphone
Output Devices
Ye devices computer ke work का result show करते हैं.
Examples:
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Monitor
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Printer
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Speakers
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Projector
Processing Device
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CPU (Central Processing Unit)
CPU ko ही computer ka brain कहा जाता है.
Saare calculations aur processing CPU karta hai.
Storage Devices
Ye devices data ko store karte hain.
Examples:
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Hard Disk
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SSD
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Pen Drive
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Memory Card
Types of Computer
Desktop Computer
Large screen + CPU box.
Office aur institutes me सबसे ज्यादा use hota hai.
Laptop
Portable hota hai. Battery par bhi chal sakta hai.
Tablet
Touch screen device, easily carry ho jata hai.
Smartphone
Ye भी ek छोटा computer hi hai (pocket computer).
Hardware vs Software
Hardware
Computer ka physical part जिसे हम छू सकते हैं.
Examples: Keyboard, Mouse, Monitor, CPU.
Software
Programs ya applications jo computer ko चलने में मदद करते हैं.
Examples:
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Windows
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MS Word
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Chrome Browser
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Tally
Operating System (OS) kya hota hai?
Operating System ek ऐसा software है jo computer ko चलाने में मदद करता है.
Most popular OS:
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Windows
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MacOS
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Linux
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Android
Basic Computer Terminology
| Term | Meaning |
|---|---|
| Desktop | Computer ka main home screen |
| File | Document, photo, video etc. |
| Folder | Files ko organize karne ke liye box |
| Browser | Internet chalana (Chrome, Edge) |
| Internet | World ka biggest network |
Computer का Use कहाँ-कहाँ होता है?
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Education
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Office work
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Business
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Banking
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Online shopping
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Designing
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Data entry
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Programming
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