U

UI (User Interface) refers to the space where interactions between humans and machines occur. The goal of this interaction is...

UML (Unified Modeling Language) is a standardized modeling language enabling developers to specify, visualize, construct and document artifacts of a...

Underflow in computing occurs when a number near zero is rounded to zero when it is stored or represented in...

Undo is a command in many computer programs that erases the last change done to the document, reverting it to...

Unicode is a computing industry standard for consistent encoding, representation, and handling of text expressed in most of the world’s...

Unobtrusive JavaScript is a pattern used to separate the functionality of a web page (JavaScript) from its structure (HTML), making...

Upload refers to the sending of data from a smaller, local system to a larger, remote system, especially from a...

Upstream in software development refers to the original or source repositories from which a project fork is taken. Changes made...

Uptime is a measure of the time a machine, particularly a computer or server, has been working and available. Uptime...

URI (Uniform Resource Identifier) is a string of characters that unambiguously identifies a particular resource. To guarantee these identifiers are...

URL (Uniform Resource Locator), commonly known as a web address, is a reference to a web resource that specifies its...

Usability refers to the ease of use and learnability of a human-made object such as a tool or device. In...

User Authentication is a process that allows a device to verify the identity of someone who connects to a network...

User Journey is a series of steps which represent a scenario in which a user might interact with the thing...

User Persona is a semi-fictional character based on your current (or ideal) customer. These personas help web developers and marketers...

User Stories are short, simple descriptions of a feature told from the perspective of the person who desires the new...

User Testing is a technique used in the design process to evaluate a product, feature or prototype with real users....

User-Centered Design is a design philosophy and a process in which the needs, wants, and limitations of end users of...

Utility in programming generally refers to small, useful programs or features that perform one or a few functions very well,...

Utility Class in programming, especially in object-oriented design, is a class that defines a set of methods that perform common,...

UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information in computer systems. The term globally unique...

UX (User Experience) refers to the overall experience a person has when using a product, especially in terms of how...