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The Picture Exchange Communication System ( PECS) is an augmentative and alternative communication system developed and produced by Pyramid Educational Consultants, Inc. [ 1] PECS was developed in 1985 at the Delaware Autism Program by Andy Bondy, PhD, and Lori Frost, MS, CCC-SLP. [ 2] The developers of PECS noticed that traditional ...
Communications system. A communications system or communication system is a collection of individual telecommunications networks systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperation to form an integrated whole. The components of a communications system serve a common purpose ...
A picture archiving and communication system ( PACS) is a medical imaging technology which provides economical storage and convenient access to images from multiple modalities (source machine types). [ 1] Electronic images and reports are transmitted digitally via PACS; this eliminates the need to manually file, retrieve, or transport film ...
Since at least the 1990s, scientists have researched whether the now-ubiquitous radiation associated with mobile phone antennas or cell phone towers is affecting human health. [ 1] Mobile phone networks use various bands of RF radiation, some of which overlap with the microwave range. Other digital wireless systems, such as data communication ...
Understanding Media. Understanding Media: The Extensions of Man is a 1964 book by Marshall McLuhan, in which the author proposes that the media, not the content that they carry, should be the focus of study. He suggests that the medium affects the society in which it plays a role mainly by the characteristics of the medium rather than the content.
A communication channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking. A channel is used for information transfer of, for example, a digital bit stream, from one or several senders to one or several receivers.
A mindmap of ICTs. 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 ...
Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether unintentional or failed transmissions are included and whether communication not only transmits meaning but also creates it.