Digital Library

“An informal definition of a digital library is a managed collection of information, with associated services, where the information is stored in digital formats and accessible over a network. A crucial part of this definition is that the information is managed. A stream of data sent to earth from a satellite is not a library. The same data, when organized systematically, becomes a digital library collection. Most people would not consider a database containing financial records of one company to be a digital library, but would accept a collection of such information from many companies as part of a library. Digital libraries contain diverse information for use by many different users. Digital libraries range in size from tiny to huge. They can use any type of computing equipment and any suitable software. The unifying theme is that information is organized on computers and available over a network, with procedures to select the material in the collections, to organize it, to make it available to users, and to archive it.”
The digital library is not a single entity;
The digital library requires technology to link the resources of many;
The linkages between the many digital libraries and information services are transparent to the end users;
Universal access to digital libraries and information services is a goal;
Digital library collections are not limited to document surrogates: they extend to digital artifacts that cannot be represented or distributed in printed formats.
Every book is now available on internet. To manage that books and keep together for reference is digital library.
It reduces space for huge library.

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