UPP Computer Class-04 : Keyboard (कीबोर्ड) - Types of Keys & Layout | Input Device | Saurabh Sir

UP Police Computer Class-04: Keyboard Introduction | Types of Keys (Modifier, Toggle, Alpha) | Computer By Saurabh Sir

Jai Hind Doston 🇮🇳
Welcome to Learnify! Ye hamari UP Police 2026 (Constable/ASI/Operator) Computer series ki Chauthi (4th) Class hai.

Aaj ki is video (Part-4) mein hum sabse important Input Device "Keyboard" ka postmortem karenge. ⌨️
Sirf typing hi nahi, exam mein poochha jata hai ki Standard Keyboard mein kitni keys hoti hain? Modifier Keys (Ctrl, Alt, Shift) aur Toggle Keys (Caps Lock, Num Lock) mein kya antar hai? QWERTY layout kya hai aur Christopher Latham Sholes kaun the? Ye sab aaj hum detail mein samjhenge.
Agar aapne pichli classes (Components & Microprocessor) nahi dekhi, to playlist zaroor check karein.

🎯 In This Video You Will Learn:
✅ What is Keyboard?: (कीबोर्ड क्या है और यह कैसे काम करता है?)
✅ History: (Inventor of QWERTY Keyboard - Christopher L. Sholes)
✅ Types of Keys: (5 Main Categories)
1 - Alphanumeric Keys (A-Z, 0-9)
2 - Function Keys (F1-F12 Basic Intro)
3 - Control/Special Keys (Ctrl, Alt, Esc, Win)
4 - Navigation Keys (Arrows, Home, End, PgUp/Dn)
5 - Numeric Keypad
✅ Modifier vs Toggle Keys: (Exam ka sabse favorite topic - अंतर समझें)
✅ Backspace vs Delete: (Donon mein kya fark hai?)

Chahe aap UP Police SI, ASI, Computer Operator, RO/ARO ya kisi bhi competitive exam ki taiyari kar rahe ho, ye video aapke Input Device ke concepts clear karegi.

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👨‍🏫 Faculty: Saurabh Sir (Computer Expert)
📺 Channel: Learnify By Saurabh
🎥 Editor & Graphics: Kuldeep Verma
🗓️ Series: UP Police Computer Special Batch 2026

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thanks for watching 🙏