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The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of industry experts.
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 ...
Detailed Standard Parasitic Format – Detailed Standard Parasitic Format, Analog-level Parastic component of interconnections in IC design; EDIF – Vendor neutral gate-level netlist format; FSDB – Analog waveform format (see also Waveform viewer) GDSII – Format for PCB and layout of integrated circuits; HEX – ASCII-coded binary format ...
The .ibooks format is created with the free iBooks Author e-book layout software from Apple Inc. This proprietary format is based on the EPUB standard, with some differences in the CSS tags used in an ibooks format file, this making it incompatible with the EPUB specification. The End-User Licensing Agreement (EULA) included with iBooks Author ...
Although it closely resembled the Standard 6, the Standard 8 was larger all round. The Standard 8 engine had eight cylinders, but individually the cylinder dimensions, at 75 mm (3.0 in) x 110 mm (4.3 in), were identical to those on the six cylinder car as well as on the four cylinder with the Adler Favorit which appeared in 1929.
The MARC-8 charset is a MARC standard used in MARC-21 library records. [1] The MARC formats are standards for the representation and communication of bibliographic and related information in machine-readable form, and they are frequently used in library database systems .
PDF/X is a subset of the ISO standard for PDF. The purpose of PDF/X is to facilitate graphics exchange, and it therefore has a series of printing-related requirements which do not apply to standard PDF files. For example, in PDF/X-1a all fonts need to be embedded and all images need to be CMYK or spot colors.