Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms, Wikipedia.
Related to card reader: Memory card reader
card reader[′kärd ‚rēd·ər]
A mechanism that senses information punched on cards, using wire brushes, metal feelers, or a photoelectric system. Also known as punched-card reader.
A device that reads magnetic stripes on the back of an identification card.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
card reader(1) See memory card reader.
(2) A card reader is a terminal that reads the magnetic stripe or chip on a credit card. It may also write onto the chip depending on the application. Card readers are part of all point of sale (POS) terminals that accept credit and debit cards. See magnetic stripe, chip reader, EMV and skimming.
(3) An early device that read up to 2,000 punch cards per minute. The character codes were detected by metal brushes making electrical contact through the punched holes or by sensing light shining through the holes. Such readers were the common input device in accounting machines, collators, sorters and other tabulating equipment. See tabulating equipment, tabulator and Hollerith machine.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.