Computer · Input and Output Devices
Which of the following light-sensitive input devices consists of a photocell and an optical system placed in a small tube, used to select items on a screen?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Light pen✓
- 2Trackball
- 3Mouse
- 4Joystick
Correct answer
Light pen
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