Why do libraries have reference books

WHICH INFORMATION MEDIA FOR WHICH PURPOSE?

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reference books

  • are for example lexicons, encyclopedias, dictionaries or manuals
  • contain information in a compressed, mostly alphabetical order

 

Purpose:

  • first overview of a topic
  • Search for individual dates

 

 

Library catalogs

  • are directories of the media that are available in one or more libraries
  • indicate the location of the individual media within the library
  • usually only show independently published literature, so no essays, after

 

Purpose:

 

 

Bibliographies

  • are bibliographies
  • have the goal of providing evidence of all relevant publications on specific areas regardless of their local availability
  • also show dependent literatureaccording to, i.e. articles in magazines, commemorative publications, congress reports and other collective works

 

Purpose:

 

 

Databases

 

 

Internet

  • is the worldwide, public computer network
  • offers a wealth of information of all types and quality
  • is mostly used via search engines or web catalogs
  • also offers link collections or specialist portals , which list selected general and technical information media in a systematically arranged manner

 

Purpose: