Discussion
Which of the following is capable of recognizing a pre-specified type of mark by pencil or pen?
Answer: A
Correct answer: OMR
Optical mark recognition detects the presence or absence of a mark in a predefined position, which is why the forms it reads have printed boxes or lozenges to be filled.
It reads position rather than shape, which makes it simple and very reliable - and is why it is used for examination answer sheets, ballot papers and survey forms. Optical character recognition, by contrast, must identify the shapes of characters, a far harder problem. A bar code reader reads bar widths, and Winchester is an old term for a hard disk.
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