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How it works Dewey decimal system

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How it works The DDC attempts to organize all knowledge into ten main classes that, excluding the first class (000 Computers, information and general reference), proceed from the divine (philosophy & religion) to the mundane (history & geography). DDC's cleverness is in choosing decimals for its categories; this allows it to be both purely numerical and infinitely hierarchical. It also is a faceted classification, combining elements from different parts of the structure to construct a number representing the subject content (often combining two subject elements with linking numbers and geographical and temporal elements) ...read more.


numbers of not less than three digits but otherwise of indeterminate length with a decimal point before the fourth digit, where present (e.g. 330 for economics + 94 for Europe = 330.94 European economy; 973 for United States + 005 form division for periodicals = 973.005, periodicals concerning the United States generally); class marks are to be read as numbers, in the order: 050, 220, 330.973, 331 etc. ...read more.


Hence the system can be neatly summarized in 10 main classes, 100 divisions and 1000 sections. It is a common misconception that all books in the DDC are non-fiction. However, the DDC has a number for all books, including those that generally become their own section of fiction. If DDC rules are strictly followed, American fiction is classified in 813. Most libraries create a separate fiction section because of the space that would be taken up in the 800s. ?? ?? ?? ?? Karan Barua 11 - D Title: Dewey Decimal classification system ICT GNVQ 11 - 1 Reg no. W345009 _____________________________________________________________________ ...read more.

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