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Which technology is used to read filled circles on multiple-choice answer sheets?

Answer and explanation

Correct answer: Optical Mark Recognition (OMR)

The governing concept is optical recognition of marks rather than letters. Optical Mark Recognition, or OMR, scans an answer sheet and detects which circles or bubbles have been darkened, making option B correct. OCR is intended for printed or handwritten characters, MICR reads magnetic-ink characters on cheques, and barcode recognition reads bar-and-space patterns. Filled bubbles are the key clue for OMR.

Related tags

OmrAnswer SheetsOptical RecognitionInput TechnologyComputer FundamentalsBasic Components Of A Computer SystemIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills I

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