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PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...
Interactive Forms is a mechanism to add forms to the PDF file format. PDF currently supports two different methods for integrating data and PDF forms. Both formats today coexist in the PDF specification: [38] [53] [54] [55] AcroForms (also known as Acrobat forms), introduced in the PDF 1.2 format specification and included in all later PDF ...
Also simply application or app. Computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user. Common examples of applications include word processors, spreadsheets, accounting applications, web browsers, media players, aeronautical flight simulators, console games, and photo editors. This contrasts with system software, which is ...
Trion (for internet), pocket receiver (for smartphone), production prescription (for additive manufacturing file format), the automaton (for 3D printer) The City and the Stars: Arthur C. Clarke: 1956 Immersive virtual reality games [27] Central computer, which virtually ran the city The Door into Summer: Robert Heinlein: 1956
Raymond A. Lorie, during his employment at IBM Research Centre Almaden, initiated the development of a UVC-based solution to long-term digital preservation. [2] He describes the approach as ‘Universal’ because its definition is so basic that it will endure forever, ‘Virtual’ because it will never have to be physically built and it is a ‘Computer’ in its functionality.
PDF (gene), a gene that in humans encodes the enzyme peptide deformylase; Palladium fluoride (PdF), a series of chemical compounds; Parton distribution function, in particle physics; Peak draw force, in a compound bow in archery; Percival David Foundation of Chinese Art; Pigment dispersing factor, in biology; Planar deformation features, in geology
This creates a window of opportunity for polyglot PDF files to smuggle non-PDF content in the header of the file. [3] The PDF format has been described as "diverse and vague", and due to significantly varying behaviour between different PDF parsing engines, it is possible to create a PDF-PDF polyglot that renders as two entirely different ...
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.