Help with computer litercy

Computer Science
Tutor: None Selected Time limit: 1 Day

Information resources that point the user towards data that they are looking for, and are organized according to a predefined scheme are called: 
       encyclopedias.
       metadata.
       markups.
       search engines.
Aug 26th, 2014

Encyclopedias

Aug 26th, 2014

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Aug 26th, 2014
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Aug 26th, 2014
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