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An optical device that interprets pencil marks on paper media is :

AMagnetic tape

BPunch card reader

COptical scanner

DO.M.R.

Answer:

D. O.M.R.

Read Explanation:

  • Optical Mark Reader (OMR) is a technology that collects data by recognizing patterns (usually bubbles, squares, or checkmarks) marked at predetermined positions on paper forms

Main uses of OMR:

  • Exams - OMR is most commonly used to evaluate answer sheets of multiple choice exams. It helps in checking large volumes of answer sheets quickly and accurately.

  • Surveys - It is useful for collecting data from public opinion, consumer feedback, and other surveys.

  • Polling - OMR technology is used to quickly count election ballots and process the results.

  • Feedback forms - Used in educational institutions and employment institutions to collect feedback.

  • Attendance recording - OMR sheets can be used to record attendance in classes and meetings.

  • Medical forms - OMR is also used to collect information such as patient information and treatment records.


Related Questions:

കമ്പ്യൂട്ടറിലൂടെയുള്ള ആശയവിനിമയ രീതി :
ജോയിസ്റ്റിക്ക് .......... ൻ്റെ താഴെ വരുന്നു.
What is the shape of the segment ?
ഇന്ത്യൻ ശാസ്ത്രജ്ഞർ വികസിപ്പിച്ച സൂപ്പർ കമ്പ്യൂട്ടർ തിരഞ്ഞെടുക്കുക.
-----------------------devices are used to read PIN codes in postal services and reading of passenger tickets.