COMPUTER ARCHITECTURE
INPUTOUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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OMR
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OCR
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MICR
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All of the above
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Detailed explanation-1: -The correct answer is OMR. It is the input device used to scan a marked answer book of a multiple choice question paper. An optical answer sheet or bubble sheet is a special type of form used in multiple-choice question examinations. Optical mark recognition is used to detect answers.
Detailed explanation-2: -The prime function of the OMR machine is to scan and capture the optical marks on the multiple choice scoring sheets, and save the data into an output file which you can use to perform further analysis.
Detailed explanation-3: -Optical Mark Reader (OMR) can be considered as a Scanning device. Optical mark recognition is the process of capturing human-marked data from document forms such as surveys and tests. They are used to read questionnaires, multiple-choice examination papers in the form of shaded areas.