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A user is a person who utilizes a computer or network service. A user often has a user account and is identified to the system by a username (or user name ). [ a] Some software products provide services to other systems and have no direct end users .
In information security, computer science, and other fields, the principle of least privilege (PoLP), also known as the principle of minimal privilege (PoMP) or the principle of least authority (PoLA), requires that in a particular abstraction layer of a computing environment, every module (such as a process, a user, or a program, depending on the subject) must be able to access only the ...
User Account Control ( UAC) is a mandatory access control enforcement feature introduced with Microsoft 's Windows Vista [ 1] and Windows Server 2008 operating systems, with a more relaxed [ 2] version also present in Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows 10, and Windows 11.
In the industrial design field of human–computer interaction, a user interface ( UI) is the space where interactions between humans and machines occur. The goal of this interaction is to allow effective operation and control of the machine from the human end, while the machine simultaneously feeds back information that aids the operators ...
User experience (UX) is how a user interacts with and experiences a product, system or service. It includes a person's perceptions of utility , ease of use , and efficiency . Improving user experience is important to most companies, designers, and creators when creating and refining products because negative user experience can diminish the use ...
User-centered design is based on the understanding of a user, their demands, priorities and experiences and when used, is known to lead to an increased product usefulness and usability as it delivers satisfaction to the user. [ 4] User-centered design applies cognitive science principles to create intuitive, efficient products by understanding ...
Privilege (computing) In computing, privilege is defined as the delegation of authority to perform security-relevant functions on a computer system. [ 1] A privilege allows a user to perform an action with security consequences. Examples of various privileges include the ability to create a new user, install software, or change kernel functions.
A default, in computer science, refers to the preexisting value of a user-configurable setting that is assigned to a software application, computer program or device. Such settings are also called presets or factory presets, especially for electronic devices. Default values are standards values that are universal to all instances of the device ...