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Piecewise. In mathematics, a piecewise-defined function (also called a piecewise function, a hybrid function, or definition by cases) is a function whose domain is partitioned into several intervals ("subdomains") on which the function may be defined differently. [1] [2] [3] Piecewise definition is actually a way of specifying the function ...
Venmo is an American mobile payment service founded in 2009 and owned by PayPal since 2013. Venmo is aimed at users who wish to split their bills. Account holders can transfer funds to others via a mobile phone app; both the sender and receiver must live in the United States. Venmo also operates as a small social network, as users can observe ...
Multiple-document interface. A multiple-document interface ( MDI) is a graphical user interface in which multiple windows reside under a single parent window. Such systems often allow child windows to embed other windows inside them as well, creating complex nested hierarchies. This contrasts with single-document interfaces ( SDI) where all ...
In systems engineering, information systems and software engineering, the systems development life cycle ( SDLC ), also referred to as the application development life cycle, is a process for planning, creating, testing, and deploying an information system. [1] The SDLC concept applies to a range of hardware and software configurations, as a ...
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A work-breakdown structure ( WBS) [2] in project management and systems engineering is a deliverable -oriented breakdown of a project into smaller components. A work breakdown structure is a key project management element that organizes the team's work into manageable sections. The Project Management Body of Knowledge defines the work-breakdown ...
Wikipedia began as a complementary project for Nupedia, a free online English-language encyclopedia project whose articles were written by experts and reviewed under a formal process. [20] It was founded on March 9, 2000, under the ownership of Bomis, a web portal company.
Wikipedia articles cover topics at several levels of detail: the lead contains a quick summary of the topic's most important points, and each major subtopic is detailed in its own section of the article. The length of a given Wikipedia article tends to grow as people add information to it.