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A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [23]
The Open Document Format for Office Applications (ODF), also known as OpenDocument, standardized as ISO 26300, is an open file format for word processing documents, spreadsheets, presentations and graphics and using ZIP-compressed [6] XML files. It was developed with the aim of providing an open, XML-based file format specification for office ...
Charts define how to create graphical displays from numerical data. They support titles, subtitles, a footer, and a legend to explain the chart. The format defines the series of data that is to be used for the graphical display, and a number of different kinds of graphical displays (such as line charts, pie charts, and so on).
Since October 2008, public authorities must be able to read text documents in ODF 1.0 format. [69] [70] Since July 2010, public authorities must be able to read text documents in ODF format up to version 1.2. Since March 2009, documents in ODF 1.0 format are allowed for use with the electronic signature and qualified electronic signature. [71] [72]
The most important new features of ODF 1.3 are digital signatures for documents and OpenPGP-based encryption of XML documents, with improvements in areas such as change tracking and document security, additional details in the description of elements in first pages, text, numbers and charts, and other timely improvements.
The document format described uses XML contained in a compressed file container, similar to OpenDocument and Office Open XML. The working group that produced the standard was founded in January 2002, and the first draft of the specification was produced in December 2005.
A simple flowchart representing a process for dealing with a non-functioning lamp.. A flowchart is a type of diagram that represents a workflow or process.A flowchart can also be defined as a diagrammatic representation of an algorithm, a step-by-step approach to solving a task.
An oval (from Latin ovum 'egg') is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas ( projective geometry , technical drawing , etc.) it is given a more precise definition, which may include either one or two axes of symmetry of an ellipse .