A data mart is a subject-oriented archive that stores data and uses the retrieved set of information to assist and support the requirements involved within a particular business function or department. Data marts exist within a single organizational data warehouse repository. Data marts improve end-user response time by allowing users to have...
Communication media refers to the means of delivering and receiving data or information. In telecommunication, these means are transmission and storage tools or channels for data storage and transmission.
The term is also commonly used in place of mass media or news media.
Different media are employed for transmitting data from one computer terminal to the central computer or to other computer systems inside some kind of network.
The most commonly used data communication media include:
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