An optical input device that interprets pencil marks on paper is

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(a) OMR (Optic Mark Recognition) — OMR is a technology that reads pencil or pen marks on paper forms to collect data. It's commonly used in exams, surveys, assessments, and evaluations. OMR readers work by scanning images and recognizing and deciphering them into an electronic format.

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(B) Punch Card Reader

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(C) Optical Scanner

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(D) Magnetic Tape

An optical input device that interprets pencil marks on paper is

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