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Apple ID is a user account by Apple for their devices and software. Apple IDs contain the user's personal data and settings. When an Apple ID is used to log in to an Apple device, the device will automatically use the data and settings associated with the Apple ID. [1]
In the COBOL programming language, a user-defined function is an entity that is defined by the user by specifying a FUNCTION-ID paragraph. A user-defined function must return a value by specifying the RETURNING phrase of the procedure division header and they are invoked using the function-identifier syntax.
The definition of a function that is given in this article requires the concept of set, since the domain and the codomain of a function must be a set. This is not a problem in usual mathematics, as it is generally not difficult to consider only functions whose domain and codomain are sets, which are well defined, even if the domain is not ...
Identity-based security is a type of security that focuses on access to digital information or services based on the authenticated identity of an entity. [1] It ensures that the users and services of these digital resources are entitled to what they receive. The most common form of identity-based security involves the login of an account with a ...
Virtual private network. A virtual private network ( VPN) is a mechanism for creating a secure connection between a computing device and a computer network, or between two networks, using an insecure communication medium such as the public Internet.
An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...
Uniform Resource Identifier. A Uniform Resource Identifier ( URI ), formerly Universal Resource Identifier, is a unique sequence of characters that identifies an abstract or physical resource, [1] such as resources on a webpage, mail address, phone number, [2] books, real-world objects such as people and places, concepts. [3]
Unique identifier. A unique identifier ( UID) is an identifier that is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. [1] The concept was formalized early in the development of computer science and information systems. In general, it was associated with an atomic data type .