Noun
The practice of restricting entrance to a property, a building, or a room to authorized persons.
In technology, permitting or denying the use of a particular resource.
Source: en.wiktionary.orgAccess control in early AT-class machines was by a physical keylock switch (which was not hard to defeat if the computer case could be opened). Source: Internet
Access control is not standardized, though there has been work on it and there are commonly used models. Source: Internet
Access control Access to protected information must be restricted to people who are authorized to access the information. Source: Internet
Access control system operation When a credential is presented to a reader, the reader sends the credential’s information, usually a number, to a control panel, a highly reliable processor. Source: Internet
Access control systems using serial controllers and terminal servers 4. Serial controllers with terminal servers. Source: Internet
Access control system topologies Access control system using serial controllers 1. Serial controllers. Source: Internet