Types

The electronic form of information is used very much thats why all the printed form of information is available in electronic form such as  



• E-Books

• E-Journals

• E-Newspaper

• E-Dictionary

• E-Encyclopedia 

Inspite of these sources there are other form of information sources available in electronic form. Generally these information are not available in printed form these information include such as

• Websites

Example : The website of Delhi University http://du.ac.in/index.php?id=4

• Subject Portals

Example : The Website of Subject Portals Provided in the Delhi University Website http://crl.du.ac.in/subjectportal/

• Dtabases

Examplen : The Link on List of Databases Accessible through Campus Network provided by Delhi University ttp://crl.du.ac.in/List%20of%20Databases20Subscribed%20by%20DULS.htm

DirectoryWeb

Example : Goverment of india the web Directory and there is also link provided to this diectory http://goidirectory.gov.in/index.php

And there are also too many hardware are available  for accessing  the information in electronic form such as

• CD-Rom  ( Compact Disc , read-only-memory) : CD-ROM,
  

  

  abbreviation of compact disc read-only memory, It is a  type of computer memory in the form of a compact disc that is read by optical means. A CD-ROM driver  uses a low-power laser beam to read digitized (binary) data that has been encoded in the form of tiny pits on an optical disk. The drive then feeds the data to a computer for processing.
  
  

• DVDs("Digital versatile Disc" ) : DVD, full form of DVDs is  digital versatile disc, It is a type of optical disc used for data storage and as a platform for multimedia. Its most prominent commercial application is for playing back recorded motion pictures and television programs (hence the designation “digital video disc”), though read-only, recordable, and even erasable and rewritable versions can be used on personal computers to store large quantities of almost any kind of data (hence “digital versatile disc”).

• Pen Drives : It is a storage device and used to store the electronic data so that it can be retrived easily
  

These kinds of sources use very much by the reader/users because it saves the time and provide the information in such a formats that suits the user very much and this type of information available on-line and user desktops and another important thing is that it saves the time of the reader for searching the information