What Input Device Can Be Used for Marking?

One of the most familiar applications of optical mark recognition is the use of #2 pencil (HB in Europe) bubble optical answer sheets in multiple choice question examinations.

What input device can be used to mark a multiple choice test?

The correct answer is OMR. It is the input device used to scan a marked answer book of a multiple choice question paper. An optical answer sheet or bubble sheet is a special type of form used in multiple-choice question examinations. Optical mark recognition is used to detect answers.

Which input device is the best for grading test?

Explanation: OMR stands for optical mark reader. These are very useful for grading tests with objective type questions or for any input data that is of choice or selection nature.