Optical mark recognition

computerized recognition of written or printed marks

OMR (optical mark recognition) is a form of automated data input. Marks are made on a specially printed paper forms which are then read by an OMR reader. The data is then sent to a computer for processing. One of the most common uses of OMR is in multiple choice examinations. Students mark their answers on specially printed sheets using either a pencil or a special marker. The sheets are then collected in and the data read using a sheet feed OMR scanner.

OMR test form, with registration marks and drop-out colors, designed to be scanned by dedicated OMR device

Other Uses

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  • Attendance registers in schools
  • Survey forms for market research
  • Time sheets in factories
  • Lottery Forms
  • School tests

Advantages

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  • The technology is easy to use and requires little training
  • This helps us to easily detect mistakes in an answer sheet

Disadvantages

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  • Marks have to be accurately positioned to prevent mistakes
  • False readings can make data entry slow