Wednesday, January 19, 2011

Today's Term

Alphanumeric:
Alphanumeric is a combination of alphabetic and numeric (sometimes shortened to alphameric), and is used to describe the collection of Latin letters and Arabic digits used by much of western society. There are either 36 (single case) or 62 (case-sensitive) alphanumeric characters. The alphanumeric character set consists of the numbers 0 to 9 and letters A to Z.
Read more:http://en.wikipedia.org/wiki/Alphanumeric


Data access object:
In computer software, a data access object (DAO) is an object that provides an abstract interface to some type of database or persistence mechanism, providing some specific operations without exposing details of the database. It provides a mapping from application calls to the persistence layer.
Read more: http://en.wikipedia.org/wiki/Data_access_object
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