COMPUTER HARDWARE
INPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hand held Input Device
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Audio Input Device
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Pointing Input Device
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Optical Input Device
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Detailed explanation-1: -Scanner is an example of optical input device. Other common optical input devices are magnetic ink character reader used for Magnetic Ink Character Recognition (MICR), optical mark reader used for Optical Mark Recognition (OMR), optical character reader for Optical Character Recognition (OCR) and Barcode Reader.
Detailed explanation-2: -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-3: -OMR stands for Optical Mark Reader which is an input device of computer system primarily and extensively used for capturing data and information from outside the world into the system. They are generally used in examinations where MCQ types of questions are asked.