COMPUTER HARDWARE
INPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mouse
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Keyboard
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Joystick
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Optical Mark Reader
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Detailed explanation-1: -OMR: OMR or Optical Mark Recognition, is a device capable of capturing human marked documents such as surveys and tests to a digital format. For a document to be read by the device it needs to be in a specified background. Since it takes data from the user, it is an input device.
Detailed explanation-2: -OMR (Optical Mark Recognition) Reader is an input device that uses a light beam to identify any marks on the paper. As the light beam falls on any signs on the paper. OMR devices read those signs and provide input to the computer. With OMR, we can easily determine the correct answer to any objective-type question.
Detailed explanation-3: -scanner, also called optical scanner, computer input device that uses a light beam to scan codes, text, or graphic images directly into a computer or computer system.
Detailed explanation-4: -Keyboards, scanners, mouses, joysticks and digital cameras are examples of input devices.