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The Internet (or internet) [a] is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) [b] to communicate between networks and devices.
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 ...
A personal area network (PAN) is a computer network used for communication among computers and different information technological devices close to one person. Some examples of devices that are used in a PAN are personal computers, printers, fax machines, telephones, PDAs, scanners, and video game consoles.
The Internet is a global system of computer networks interconnected through telecommunications and optical networking. In contrast, the World Wide Web is a global collection of documents and other resources , linked by hyperlinks and URIs .
The following outline is provided as an overview of and topical guide to the Internet.. The Internet is a worldwide, publicly accessible network of interconnected computer networks that transmit data by packet switching using the standard Internet Protocol (IP).
Sources are objects which encode message data and transmit the information, via a channel, to one or more observers (or receivers). [ citation needed ] In the strictest sense of the word, particularly in information theory , a source is a process that generates message data that one would like to communicate, or reproduce as exactly as possible ...
Information is an abstract concept that refers to something which has the power to inform.At the most fundamental level, it pertains to the interpretation (perhaps formally) of that which may be sensed, or their abstractions.
Information technology (IT) is a set of related fields within information and communications technology (ICT), that encompass computer systems, software, programming languages, data and information processing, and storage. [1] Information technology is an application of computer science and computer engineering.