- OCR
- OMR
- MICR
- Card reader
Answer (Detailed Solution Below)
Option 2 : OMR
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Detailed Solution
Download Solution PDFThe correct answer isOMR.
![[Solved] What is the input device used to scan a marked answer book o (2)](https://i0.wp.com/cdn.testbook.com/resources/lms_creative_elements/important-point-image.png "[Solved] What is the input device used to scan a marked answer book o (2)")
Important Points
- Optical mark recognition
- 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 recognitionis used to detect answers.
![[Solved] What is the input device used to scan a marked answer book o (3)](https://i0.wp.com/cdn.testbook.com/resources/lms_creative_elements/additional-information-image.png "[Solved] What is the input device used to scan a marked answer book o (3)")
Additional Information
- OCR
- OCR(Optical Character Recognition) recognizes all the characters from the paper document.
- Itcollects and stores them into an editable document.
- MICR
- The term magnetic ink character recognition (MICR) refers to the line of numbers that appears at the bottom of a check.
- TheMICRline is a group of three numbers, which are the check number, account number, and bank routing number.
- Card reader
- A card reader is a data input device that reads data from a card-shapedstoragemedium.
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