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It is defined as a system which provides
information support for decision making in the
organisation. It is a computer based information
system.
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Conceptual: Blend of theories, principles and
practices of the MIS.
Physical : Assembly of several subsystems.These subsystems range
from data collection,
transaction processing and validating,
processing, analysing and storing informationin databases. The
subsystems could be at a
functional level or a corporate level.
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Its takes course to an analytical study of the total system,
generates alternative courses of action and helps to select
best
in the given circumstances.
It is used in risk or uncertainty and examines the various
alternative courses of action.
It helps to find solutions to problems.
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It uses all the areas and branches of knowledge.
It uses a model of complex situation to handle the
problem. It deals with the problems where time context is
futuristic.
It uses operations research models if the problem is
well defined.
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Sensitivity analysis
It helps to test the validity of the solution in variable
conditions. Based on these considerations a rational
decision
is made. The sensitive analysis helps to test the validity of
theoptimal solution under changed conditions.
It helps to test the solutions on the principle of utility.
Uses techniques such as payoff analysis, simulation,
modelling
and etc.
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The behavioural approach looks at the psychological,
sociological and economic aspects of the system.
This approach deals with issues of:
Design,
Implementation,
Business integration,
Management.
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The Sociological approach looks at these aspectsfrom the point
of view of how groups work together
and the nature of organizations.The Psychological approach looks
at how people
perceive and use information systems, especially withrespect to
decision making.
The Economic approach looks at how IT systemsaffect control
structures and costs both within acompany and in markets.
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Organisation is an arrangement of individuals having
different goals. Each individual enjoys different
powers and rights because of his position, function
and importance in organisation.
Since there is imbalance in the power structure, the
different individuals cannot equally influence the
organisational behaviour, the management process
and setting of business goals.
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Dealing with UncertainityDealing with Uncertainity: The
organisation
perform in an environment of uncertainty. The
market uncertainty, the price fluctuations, the
change in govt policies make business
uncertain.
Organisationallearning: Improves with
learning by acquiring an additional knowledge
and experience.
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MIS supports the management of the business
in each phase by giving the information which is crucialin the
phase. These concepts and approaches tend to
remove uncertainty in the organisations and builds
capabilities and skills for effective management.
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