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However, darkest black in a projected image is dependent on how dark the screen is. Because of this, some presenters and presentation-space planners prefer gray screens, which create higher-perceived contrast. The trade-off is that darker backgrounds can throw off color tones.
The first microcomputer-based presentation software was Cromemco's Slidemaster, developed by John F. Dunn and released by Cromemco in 1981. [2] [3] [4] The first software displaying a presentation on a personal computer screen was VCN ExecuVision, developed in 1982. This program allowed users to choose from a library of images to accompany the ...
After such a file is created, typical operation is to present it as a slide show using a portable computer, where the presentation file is stored on the computer or available from a network, and the computer's screen shows a "presenter view" with current slide, next slide, speaker's notes for the current slide, and other information. [85]
Photo slide show software often provides more options than simply showing the pictures. It is possible to add transitions, pan and zoom effects, video clips, background music, narration, captions, etc. By using computer software one therefore has the ability to enhance the presentation in a way that is not otherwise practical.
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 November 2024. Cloud-based presentation software Google Slides An example of a Google Slides presentation Developer(s) Google LLC Initial release March 9, 2006 ; 18 years ago (2006-03-09) Stable release(s) [±] Android 1.24.492.00 / 9 December 2024 ; 4 days ago (2024-12-09) iOS 1.2024.49201 / 9 ...
One color entry in a single GIF or PNG image's palette can be defined as "transparent" rather than an actual color. This means that when the decoder encounters a pixel with this value, it is rendered in the background color of the part of the screen where the image is placed, also if this varies pixel-by-pixel as in the case of a background image.
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This black screen was simplified compared to the previous blue screen, omitting instructions that the user is recommended to take. [ citation needed ] Windows 10 and later also displays a black screen due to an unfinished update in addition to the aforementioned causes above; in this case, after the system restarts and the user tries to login ...
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