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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 .
Universally unique identifier. A Universally Unique Identifier ( UUID) is a 128-bit label used for information in computer systems. The term Globally Unique Identifier ( GUID) is also used, mostly in Microsoft systems. [1] [2] When generated according to the standard methods, UUIDs are, for practical purposes, unique.
User identifier. Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.
uID Center, a nonprofit organization in Tokyo, Japan, responsible for the Ucode system for uniquely identifying real-world objects electronically; German for: "UID = Umsatzsteuer Identifikation" (English: VAT identification number, VAT = value-added tax) Organizations. Ulster Institute for the Deaf; Umeå Institute of Design
UID-marking is a set of data for assets that is globally unique and unambiguous. The technology used to mark an item is 2D Data Matrix ECC 200 Symbol. UID marking can be used to ensure data integrity and data quality throughout an item's lifecycle; it also supports multi-faceted business applications. As per the memorandum issued by the ...
Aadhaar ( Hindi: आधार, lit. 'base, foundation'; sometimes informally called UIDAI ID or UIDAI Number) [7] is a 12-digit unique identity number that can be obtained voluntarily by all residents of India, based on their biometrics (10 finger prints, 2 iris prints and photo of face) and demographic data. [8] The data is collected by the ...
VAT identification number. A value-added tax identification number or VAT identification number ( VATIN [1]) is an identifier used in many countries, including the countries of the European Union, for value-added tax purposes. In the EU, a VAT identification number can be verified online at the EU's official VIES [2] website.
umd .edu. The University of Maryland, College Park ( University of Maryland, UMD, or simply Maryland) is a public land-grant research university in College Park, Maryland. [9] Founded in 1856, UMD is the flagship institution of the University System of Maryland. [10]