U

User Authentication is a process that allows a device to verify the identity of someone who connects to a network resource. This is akin to showing your ID card when…

URI (Uniform Resource Identifier) is a string of characters that unambiguously identifies a particular resource. To guarantee these identifiers are globally unique, they are often based on the UUID system….

Upload refers to the sending of data from a smaller, local system to a larger, remote system, especially from a client to a server. It is the opposite of download….

Unicode is a computing industry standard for consistent encoding, representation, and handling of text expressed in most of the world’s writing systems. It allows computers to consistently represent and manipulate…

Undo is a command in many computer programs that erases the last change done to the document, reverting it to an older state. In more advanced programs, undo will revert…

Underflow in computing occurs when a number near zero is rounded to zero when it is stored or represented in a system that has finite precision and a limited number…

Uptime is a measure of the time a machine, particularly a computer or server, has been working and available. Uptime is often used as a measure of computer system reliability…

Usability refers to the ease of use and learnability of a human-made object such as a tool or device. In web development, usability is crucial as it affects how quickly…

UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information in computer systems. The term globally unique identifier (GUID) is also commonly used. When generated according to…

UX (User Experience) refers to the overall experience a person has when using a product, especially in terms of how pleasing and responsive it is. It’s similar to visiting a…