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QR code is a type of two-dimensional barcode invented in 1994 by a Japanese company for labelling automobile parts. It can store data for various purposes, such as web tracking, product identification, and mobile tagging, and can be scanned by imaging devices like cameras.
On the other hand, there are several readers which were created to read out non-proprietary code, these 'open source codes' are the most used for Optical Reading with Mobile like the QR Code and the Data Matrix. However, a QR code is always 60% larger than a DataMatrix code and this tends to mean that DM is the primary code used in packaging ...
Short-term memory is the capacity for holding a small amount of information for a short interval, such as a phone number. Learn about the evidence for and against the existence of a separate short-term store, and the different models of memory systems.
Learn about the history, layout, and functions of the telephone keypad, which has letters and numbers on its buttons. Find out how the letters are used for telephone exchange names, phonewords, and text entry, and how the key tones are produced for dialing and signaling.
AIDC stands for automatic identification and data capture, a process of identifying objects and entering data into computer systems without human involvement. Learn about the methods, technologies, applications, and challenges of AIDC from Wikipedia.
SMS is a text messaging service that allows mobile phones to exchange short messages, typically over cellular networks. It was developed as part of the GSM standards and has been widely used worldwide since 1993 for various purposes, such as mobile marketing, two-factor authentication, and mobile banking.
Learn about the origin, development and features of caller identification, a telephone service that transmits a caller's number and name to the called party. Find out how caller ID works in different types of telephone systems, such as analog, digital and VoIP, and how it is used by various organisations and individuals.
Mobile banking is a service that allows customers to conduct financial transactions remotely using a mobile device. Learn about its origins, features, benefits, challenges and types of mobile banking services from this Wikipedia article.
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