Correct option is B
OMR technology reads and interprets marks made on paper forms, like checkboxes or bubbles, to capture data electronically.
Key points about OMR:
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Function: It detects the presence or absence of marks on a specially designed form.
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Common application: Widely used for multiple-choice exams where students fill in bubbles to select answers.
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How it works: A scanner reads the form, identifying the marked areas based on light reflection.
