Скачать или смотреть Light Pen Input Device | Screen Drawing Pointing

Is lecture mein Light Pen ko detail mein samjhaaya jayega—pen jaisa pointing device jo monitor screen par menu select karta hai ya drawings banata hai.​
Photocell aur optical system se screen location detect karta hai CPU ko signal bhejta hai.

Key Learning Points:
🔹 Light Pen Role: Screen par direct menu selection aur picture drawing.​
🔹 Structure: Chhote tube mein photocell + optical system.
🔹 Working: Tip screen par move karke button dabane se location detect hoti hai CPU ko signal.​
🔹 Exam Tips: Light pen ko "screen pointing device" yaad rakho.

📚 Complete Notes (PDF & Updates):
👉 https://t.me/elementrixclassesnotes

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