Tutorials

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= Dewey Decimal Classification =


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 * A Brief Introduction to DDC || Learn More About DDC ||



= OPAC - Online Public Access Catalogue =


 * What is OPAC?**
 * OPAC (Online Public Access Catalog) is a computerized library catalog available to the public. Most OPACs are accsessible over the Internet to users all over the world.
 * Why use a catalog instead of just browsing the shelves of the library to find a book?**
 * Books that contain information on a particular topic may be shelved in several different areas of the library, in special collections, or even in different libraries altogether.
 * Books are shelved in the library by call number order (a unique number for each book), so you would have to be very familiar with the either the **Dewey Decimal** or **Library of Congress** Classification System to find the small area devoted to your topic.


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 * The Library Catalog Tutorial || What's a Boolean search and how can it help me? ||