Access control
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Access control is the ability to permit or deny the use of a particular resource by a particular entity. Access control mechanisms can be used in managing physical resources (such as a movie theater, to which only ticketholders should be admitted), logical resources (a bank account, with a limited number of people authorized to make a withdrawal), or digital resources (for example, a private text document on a computer, which only certain users should be able to read).
Item Control or Electronic Key Management is an area within (and possibly integrated with)an access control system which concerns the managing of possession and location of small assets or physical (mechanical) keys.
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Access control" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.
