a four-stringed musical instrument of the violin family, slightly larger than the violin; a tenor or alto violin. 2. a labial organ stop of eight-foot or four-foot pitch, giving tones of a penetrating stringlike quality. Origin of viola1. Italian.
PPT is a file extension for a presentation file format used by Microsoft PowerPoint, the popular presentation software commonly used for office and educational slide shows. All text images, sound and video used in the presentation are contained in the PPT file.
PPD files are System Files primarily associated with PhotoImpression Project (ArcSoft Inc.). PPD files are also associated with PostScript Printer Description, PageMaker PostScript Printer Description (Adobe Systems Incorporated) and FileViewPro. Additional types of files may also be using the PPD file extension.