Rajasthan Police Constable 15 May 2022 Shift 1
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Question : 47 of 150
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Which of the following options best describes the truth of the following statements?
(i) When the tip of a light pen is moved to the monitor's screen and then the pen button is pressed, its photocell sensing element detects the location of the screen and sends the corresponding signal to the CPU.
(ii) Since the trackball is stationary, it does not require much space to be used.
(i) When the tip of a light pen is moved to the monitor's screen and then the pen button is pressed, its photocell sensing element detects the location of the screen and sends the corresponding signal to the CPU.
(ii) Since the trackball is stationary, it does not require much space to be used.
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