Expand OMR.
VerifiedAnswer: Optical Mark Reader
Explanation:
An Optical Mark Reader (OMR) is a specialized scanning device that can automatically read and process specially marked documents. This technology has become incredibly important in educational institutions, examination boards, and various organizations for quick and accurate data processing.
The OMR system works by detecting the presence or absence of marks made in predetermined positions on specially designed forms. When you fill in those familiar bubbles or circles on answer sheets during exams, you're creating marks that an OMR machine can read using light reflection technology.
Here's how OMR technology works in simple terms:
• The OMR sheet contains pre-printed circles or bubbles in specific positions • Students fill these bubbles with dark pencil or pen marks • The OMR scanner passes light over the document • Filled bubbles absorb light while unfilled areas reflect it back • The machine interprets these light patterns as data • Results are processed and converted into digital format
OMR technology offers several advantages that make it popular in educational settings. It provides fast processing of large volumes of answer sheets, significantly reducing the time needed for result declaration. The system also ensures high accuracy levels, minimizing human errors that might occur during manual checking.
Common applications of OMR include competitive entrance examinations like JEE, NEET, and various government job tests. Schools and colleges use OMR for semester exams, admission tests, and even feedback surveys. The technology has made it possible to conduct large-scale examinations efficiently while maintaining fairness and transparency in the evaluation process.
