If you mean, is the voice narration necessary, then it isn't. You can use text instead.
No. A PowerPoint presentation will be saved to your computer, and you get open it at any time. Although, if your presentation includes e.g videos from YouTube, they will not work without Internet connection.
= E.M. Free PowerPoint Video Converter =
My guess, without seeing it in context, would be Microsoft PowerPoint
My guess, without seeing it in context, would be Microsoft PowerPoint
Pack and Go
A PowerPoint Viewer is helpful to watch a presentation without as many buttons as the PowerPoint program. The Viewer program only has one function, which is to watch presentations.
Power Point presentation are very easy to make. They can be created without much hassle.
PowerPoint is presentation software produced by Microsoft. There are versions for both the Windows operating system and Apple's Mac OS X. Providing you have purchased a Copy legally it is not illegal to have PowerPoint on your computer.
AutoContent Wizard
The F5 key starts a Powerpoint Presentation. Shift-F5 will start it from the current slide, which is particularly useful when you are working on a show and want to see how a new slide looks without having to go through the whole show.
Various elements make up a PowerPoint presentation. It can contain text, pictures, tables and charts.
Microsoft Office for Macs includes PowerPoint for the creation of a presentations. Microsoft also provide a viewer with which Mac users can view PowerPoint presentations without owning PowerPoint itself. Apple's own KeyNote software can save presentations as a PowerPoint file.