Q1. Write one use of the following input devices
b. Optical mark reader
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Computer Mouse
Computer MousePointing devices are the most commonly used input devices today. A pointing device is any human interface device that allows a user to input spatial data to a computer. ... Analog devices, such as 3D mice, joysticks, or pointing sticks, function by reporting their angle of deflection.
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Optical Mark reading (OMR) is a method of entering data into a computer system. Optical Mark Readers reads pencil or pen marks made in pre-defined positions on paper forms as responses to questions or tick list prompts.
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