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A slide is a single page of a presentation. A group of slides is called a slide deck. A slide show is an exposition of a series of slides or images in an electronic device or on a projection screen. Before personal computers, they were 35 mm slides viewed with a slide projector [1] or transparencies viewed with an overhead projector.
A web-based slide show is a slide show which can be played (viewed or presented) using a web browser. Some web based slide shows are generated from presentation software and may be difficult to change (usually unintentionally so). Others offer templates allowing the slide show to be easily edited and changed.
In computing, a presentation program (also called presentation software) is a software package used to display information in the form of a slide show. It has three major functions: [1] an editor that allows text to be inserted and formatted; a method for inserting and manipulating graphic images and media clips; a slide-show system to display ...
In desktop publishing applications, the footer identifies the space at the bottom of a page displayed on a computer or other device. Some software automatically inserts certain information in the footer, including the page number and the date and time of creation or editing the document, data which can be removed or changed.
An overhead projector works on the same principle as a slide projector, in which a focusing lens projects light from an illuminated slide onto a projection screen where a real image is formed. However some differences are necessitated by the much larger size of the transparencies used (generally the size of a printed page), and the requirement ...
The counterpart at the bottom of the page is called a page footer (or simply footer); its content is typically similar and often complementary to that of the page header. In publishing and certain types of academic writing , a running head , less often called a running header , running headline or running title , is a header that appears on ...
According to Gellman, Snowden approached Greenwald after the Post declined to guarantee publication within 72 hours of all 41 PowerPoint slides that Snowden had leaked exposing the PRISM electronic data mining program, and to publish online an encrypted code allowing Snowden to later prove that he was the source. [119]
A 1960 slide projector. A slide projector is an optical device for projecting enlarged images of photographic slides onto a screen.Many projectors have mechanical arrangements to show a series of slides loaded into a special tray sequentially.