India Exam Junction
[Forest Guard, 2022]
3. Which of the following is capable of recognizing a pre-specified type of mark by pencil or pen ?
OMR
Winchester
Bar code reader
Image Scanner
Correct Answer :
OMR
Solution
OMR is a technology that is capable of recognizing a pre-specified type of mark made by pencil or pen. It is commonly used in various applications such as surveys, exams, and voting systems. OMR scanners work by shining a light on the paper that contains the marks, and then reading the reflection of the light to detect the presence or absence of the marks.