CATEGORISATION OF INFORMATION SERVICES IN COMPUTER ENVIRONMENT 

Modern libraries and information centres provide a variety of documentation and information services to support R&D, industrial productivity management, marketing and trade and all other programmes of development emanating from autonomous, government and non-government and academic institutions, These information services can broadly be categorised into anticipatory and responsive services. Some of the significant services which have been evolved as a result of developments in computer and communications technologies are:

i) Current Awareness Services,

ii) Online Search Services,

iii) Printed Indexes,

iv) Database Products and Services,

v) Document Delivery Services and CD-ROM database products and services.