These are word's examples related to optical-character-reader. Click on any word to go to its word's detail page. Or, go to the definition of optical-character-reader.
Such a machine might have an optical character reader and might put on a barcode.
Mail is sorted using multi-line optical character readers that scan the entire address, print a bar code on the envelope, and sort the mail into trays.
Questionnaire results are easily quantified and presented numerically, especially if devices such as optical character readers are used.