Optical mark recognition

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.

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

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

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

Category:Computer hardware
Category:Data input