Question

Which input device works by sensing light from the display screen? / कौन-सा इनपुट डिवाइस डिस्प्ले स्क्रीन से प्रकाश को महसूस करके काम करता है?

1.
Scanner / स्कैनर
2.
Light pen / लाइट पेन
3.
Joystick / जॉयस्टिक
4.
Trackball / ट्रैकबॉल
Answer (Detailed Solution Below)

Option 2 : Light pen / लाइट पेन

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Detailed Solution

सही उत्तर Light pen / लाइट पेन है।

Key Points

A light pen is a pointing device that detects light from the screen to select objects. / लाइट पेन एक पॉइंटिंग डिवाइस है जो वस्तुओं का चयन करने के लिए स्क्रीन से प्रकाश का पता लगाता है।

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More IT & Computing Questions

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Question:

Which input device works by sensing light from the display screen? / कौन-सा इनपुट डिवाइस डिस्प्ले स्क्रीन से प्रकाश को महसूस करके काम करता है?

1.
Scanner / स्कैनर
2.
Light pen / लाइट पेन
3.
Joystick / जॉयस्टिक
4.
Trackball / ट्रैकबॉल

Correct Answer: Light pen / लाइट पेन

A light pen is a pointing device that detects light from the screen to select objects. / लाइट पेन एक पॉइंटिंग डिवाइस है जो वस्तुओं का चयन करने के लिए स्क्रीन से प्रकाश का पता लगाता है।

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