Which technology is used in touchscreen to allow multiple simultaneous touches?
PPSC 5 Years Past Papers Subject Wise (Solved with Details) / All — Multiple-choice practice
کون سی ٹیکنالوجی ٹچ اسکرین میں استعمال ہوتی ہے تاکہ ایک وقت میں کئی انگلیوں کے اشارے ممکن ہوں؟
- A. Capacitive Touch
- B. Resistive Touch
- C. Infrared Touch
- D. Optical Touch
Correct answer
Capacitive Touch
Explanation
Explanation Capacitive touchscreens detect changes in electrical charge from the human finger. They allow multi-touch gestures like pinch, zoom, and swipe. Resistive touchscreens only detect single-point pressure. Capacitive screens are used in smartphones, tablets, and modern touch devices.
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