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This is a list of obsolete technology, superseded by newer technologies. Obsolescence is defined as the "transition from available to unavailable from the manufacturer in accordance with the original specification." [1] Newer technologies can mostly be considered as disruptive innovation. Many older technologies co-exist with newer alternatives ...
Information and communications technology (ICT) is an extensional term for information technology (IT) that stresses the role of unified communications [1] and the integration of telecommunications (telephone lines and wireless signals) and computers, as well as necessary enterprise software, middleware, storage and audiovisual, that enable users to access, store, transmit, understand and ...
Examples of such messaging services include: Skype, Facebook Messenger, Google Hangouts (subsequently Google Chat), Telegram, ICQ, Element, Slack, Discord, etc. Users have more options as usernames or email addresses can be used as user identifiers, besides phone numbers. Unlike the phone-based model, user accounts on a multi-device model are ...
Due to too many connected devices and the limitation of communication security technology, various security issues gradually appear in the IoT. [ 266 ] Most of the technical security concerns are similar to those of conventional servers, workstations and smartphones. [ 267 ]
There are different names for this at different periods or through fields. Some of these names are: ICT [1] – Information and communication technologies; IT [2] – Information technology; DCT [3] – Data Communication & technology; CDT [4] – Creative digital technology; DT – Design & technology [5] Communication technology [6] Hacker
Earlier radio communication systems had to be made expressly for a given form of communications: telephone, telegraph, or television, for example. All kinds of digital communications can be multiplexed or encrypted at will. Digital cellular telephony (2G systems and later generations): GSM; UMTS (sometimes called W-CDMA) TETRA; IS-95 (cdmaOne)
Smartphones serve as an example of the ubiquity of mobile technology in the 21st century.. Mobile technology is the technology used for cellular communication.Mobile technology has evolved rapidly over the past few years.
Unconventional computing (also known as alternative computing or nonstandard computation) is computing by any of a wide range of new or unusual methods. The term unconventional computation was coined by Cristian S. Calude and John Casti and used at the First International Conference on Unconventional Models of Computation [ 1 ] in 1998.