The Access control forms a Security Barrier and hence protects the facilities from unauthorized entries and every individual working in the facility has unique cards hence trespassing is avoided. Electronic access control systems that enable only the authorized personnel to enter the designated work areas.
Access Control System: the combination of a credential, a reader, a controller, a power supply and an electric unlocking mechanism, which combine to allow a system administrator the ability to grant or deny access to a controlled area.
Access control refers to exerting control over who can interact with a resource. Often but not always, this involves an authority, who does the controlling. The resource can be a given building, group of buildings, or computer-based information system.
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