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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.
In contemporary operation, PowerPoint is used to create a file (called a "presentation" or "deck") containing a sequence of pages (called "slides" in the app) which usually have a consistent style (from template masters), and which may contain information imported from other apps or created in PowerPoint, including text, bullet lists, tables ...
Presentations usually require preparation, organization, event planning, writing, use of visual aids, dealing with stress, and answering questions. [2] "The key elements of a presentation consists of presenter, audience, message, reaction and method to deliver speech for organizational success in an effective manner."
The "slide" analogy is a reference to the slide projector, a device that has become somewhat obsolete due to the use of presentation software. Slides can be printed, or (more usually) displayed on-screen and navigated through at the command of the presenter. An entire presentation can be saved in video format. [6]
PowerPoint 2000 and later versions introduced macro security to help protect computers from malicious code within a PowerPoint presentation. This led to disabling all VBA or macro code by default, causing presentations containing codes unable to run properly, unless the viewer adjusted their macro security settings to the Low setting. [5]
The Beamer class is not the first LaTeX class for creating presentations, and like many of its predecessors (such as slides, seminar, prosper, powerdot), [2] it has special syntax for defining "slides" (known in Beamer as "frames"). Slides can be built up on-screen in stages as if by revealing text that was previously hidden or covered.
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