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Questions Related to different parts used in computers

Multiple choice evs computer computer - an introduction computer and its functions different parts used in computers

Which of the following device is used to check the presence or absence of pen or pencil mark on a paper?

  1. MICR

  2. OCR

  3. OMR

  4. Scanner

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Optical Mark Reading (OMR) is a method of entering data into a computer system. Optical Mark Readers reads pencil or pen marks made in pre-defined positions on paper forms as responses to questions or tick list prompts