In computer technology and telecommunications, the term

online In computer technology and telecommunications, online indicates a state of connectivity and offline indicates a disconnected state. In modern terminology, this usually refers to an Internet connection, but (especially when expressed "on line" o ...

refers to a state of having connectivity. Online may also refer to:

Arts, entertainment, and media

Films

* ''On Line'' (2002 film), American drama film * ''On Line'' (2015 film), Chinese science fiction action film

Music

* ''Online'' (album), a 2001 album by the Latvian rock band Brainstorm ** "Online" (Brainstorm song) * "Online" (Brad Paisley song), 2007 song recorded by American country music artist Brad Paisley *"Online", a 2006 song by Gnarls Barkley from '' St. Elsewhere''

Periodicals

* ''Online'' (magazine), magazine for information systems first published in 1977

Computing and technology

.online .online is a generic top-level domain (gTLD) of the Domain Name System (DNS) used in the Internet. History In 2012, ICANN The Internet Corporation for Assigned Names and Numbers (ICANN ) is an American multistakeholder group and ...

, a generic top-level domain *

Online algorithm In computer science, an online algorithm is one that can process its input piece-by-piece in a serial fashion, i.e., in the order that the input is fed to the algorithm, without having the entire input available from the start. In contrast, an o ...

, an algorithm which doesn't require the whole input from the start *

Online analytical processing Online analytical processing, or OLAP (), is an approach to answer multi-dimensional analytical (MDA) queries swiftly in computing. OLAP is part of the broader category of business intelligence, which also encompasses relational databases, repor ...

, an approach to answer multi-dimensional analytical (MDA) queries swiftly *

Online machine learning In computer science, online machine learning is a method of machine learning in which data becomes available in a sequential order and is used to update the best predictor for future data at each step, as opposed to batch learning techniques whic ...

, a method of machine learning in which data becomes available in a sequential order * Online SAS, French cloud computing and hosting company

Other uses