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Before personal computers, they were 35 mm slides viewed with a slide projector [1] or transparencies viewed with an overhead projector. In the digital age , a slide most commonly refers to a single page developed using a presentation program such as MS PowerPoint , Apple Keynote , Google Slides , Apache OpenOffice or LibreOffice .
Keynote Remote was an iOS application that controlled Keynote presentations from an iPhone, iPod Touch or iPad over a Wi-Fi network or Bluetooth connection and was released through the App Store. [11] With the release of Keynote for iOS, the app was integrated into the new Keynote application and the stand-alone app was withdrawn. [12]
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 ...
Photo Booth is a camera application first introduced on devices running Mac OS X Tiger with a built-in iSight camera, [26] allowing users to take picture and video. [ 27 ] [ 28 ] Photo Booth displays a preview showing the camera's view in real time, while thumbnails of saved photos and videos are displayed along the bottom of this window ...
Projector-camera systems may also be used for artistic and entertainment purposes. [2] A pro-cam system consists of a vertical screen for implementing interpersonal space where front-facing videos are displayed, and a horizontal projected screen on the tabletop for implementing shared workspace where downward facing videos are overlapped.
LibreOffice Impress, one of the most popular free and open-source presentation programs. In computing, a presentation program (also called presentation software) is a software package used to display information in the form of a slide show.
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .
A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp , metal halide lamp , LED or solid state blue, RB, RGB or fiber-optic lasers to ...