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