Rajasthan Police Constable 13 May 2022 Shift 2
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Identify the true/false from the following statements.
a) Light pen is an electrooptical pointing device used to select objects on a display screen with the help of a light sensitive pen.
b) Trackball works like a mouse.
C) The keyboard consists of a set of central-keys to control the movement of the cursor and the screen.
a) Light pen is an electrooptical pointing device used to select objects on a display screen with the help of a light sensitive pen.
b) Trackball works like a mouse.
C) The keyboard consists of a set of central-keys to control the movement of the cursor and the screen.
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