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computerised information systemsthe main purpose of information services be they libraries corporate records global information networks or
internet and its capabilities and servicesin this unit an attempt has been made to expose you to the concept of the internet its capabilities and
intranets in this section we shall try to know what intranets are and how they are beneficial in simple terms an intranet is an internal
uses of internet access in libraries users of internet access in libraries and a web site may be in a position to offer some of the under
evaluating internet resources the use of the internet for conducting business whether it is providing library services or any other transaction
search enginessearch engines are mechanisms which aid users to search the entire internet for relevant information they are based on allowing
subject directories subject directories also known as subject guides allow people to browse information by subject they are hierarchically
the world wide web www or w3 the www is the multimedia part of the internet displaying a hyper text type of structure and search facilities it
searching on the internet a vast array of databases and services are available through the internet it is necessary to design interfaces that
resources and services through internet it may be stated that the internet is a massive searchable dynamic widely available distributed
internet connections it is important to know that there are different kinds of connection to the internet which determine the way in which we
client-server concepts it may be mentioned here that one of the most important rather significant concepts in internet information provision is
development of library networkingthere has not been an agreed set of definitions as to what the term network means in the information sense the
types of networksin this section let us try to discuss the types of computer networks as they have evolved from a technical point of view in this
information networks information networks in the broadest sense can be any formalised system of information exchange but in modern information
communication networksa telecommunications network is a system consisting of communicating devices such as terminals an interconnecting media such
network definition whenever more than two units eg persons organisations or computer terminals are connected and share some attribute a network
library and information networkduring the last decade the importance of computer networks and telecommunications has grown tremendously computers
introduction to information technologytechnology has been defined as systematic knowledge and action usually of industrial processes but
information system in managementan attempt has been made in this unit to explain to you the concept of a system particularly computer-based
system maintenance operationssystem maintenance is concerned with keeping the hardware and software working this involves the following
day-to-day management of information systems it must be emphasised here that a system once implemented requires day-to-day management to ensure
stages in system developmentinformation professionals are mostly concerned with the first situation in this context the emphasis is on the systems
use of system methodologyhowever the systems methodology can be used as an aid in the choice of a commercially available i11 system as an aid
steps in system analysis the following are the steps involved in systems analysis define the system definition of the system including its