Page 124 - DLIS105_REFERENCE_SOURCES_AND_SERVICES
P. 124

Jovita Kaur, Lovely Professional University       Unit 11: Information Services and Products of Documentation



                                                                                                     Notes
                                Unit 11: Information Services

                              and Products of Documentation





               CONTENTS

               Objectives
               Introduction

                11.1  Concept of Information
                     11.1.1 Characteristics of Information

                     11.1.2 Definition of Information
                     11.1.3 Needs and Purpose of Information
                11.2  Information Services

                     11.2.1 Impact of Information Technology
                     11.2.2 Digital Reference Service/Virtual Reference Service

                     11.2.3 Web Based Reference Service
                     11.2.4 Search Engine Services
                     11.2.5  Types of Information Services Provided in the Networked Computer
                            Environment
                11.3  Information Systems

                11.4  Documentation
                11.5  Summary

                11.6  Keywords
                11.7  Review Questions
                11.8  Further Readings



            Objectives

            After studying this unit, you will be able to:
             •  Know about concept of information
             •  Understand Information services
             •  Explain information systems and documentation.








                                             LOVELY PROFESSIONAL UNIVERSITY                                   119
   119   120   121   122   123   124   125   126   127   128   129