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MIS
MIS:
A management information system (MIS) is an information
system[1] used for decision-making, and for the coordination, control,
analysis, and visualization of information in an organization; especially in
a company
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2
...

4
...

2
...

4
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Finance (integrate financial information from multiple sources) (provide
easy access to financial information) (compare historic and current financial
activity)
2
...
HR (recruiting) (absence management) (appraisal performance)

MIS Architecture:

An information system architecture is a formal definition of the business processes
and rules, systems structure, technical framework, and product technologies for a
business or organizational information system
...
The architecture is a description of the design and contents of a
computerized system
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Subsystems of MIS:
1
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Management reporting system (mechanism for monitoring the mission of the
organization)
3
...
Office information system (uses hardware, software and networks to facilitate
communications among employees
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Expert system (AI based system that converts knowledge of an expert in a
specific subject into a software code) (eg
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DSSs serve the management, operations and
planning levels of an organization (usually mid and higher management) and help
people make decisions about problems that may be rapidly changing and not easily
specified in advance

Characteristics of DSS:
1
...

3
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Data collection
Data management
Data analysis
Data presentation

System Approach:
It is used to define the problem and develop solution
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2
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4
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Define the problem
Develop alternative solution
Select the solution
Design the solution
Implement the solution

System conversion:
Process of changing of the old system to the new one
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Parallel conversion (user continues to operate the old systems but also begin to
use the new systems)
2
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Pilot conversion (first the new systems are installed in single department and
tested and then decision is taken about installing in the whole organization or
not)
4
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Steps in SDLC are:

1
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3
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5
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Planning and requirement analysis
Defining requirements
Designing the product architecture
Building the product
Testing the product
Deployment in the market

Models:
1
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V-Shaped model:

3
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Where databases are more complex they
are often developed using formal design and modeling techniques
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Each data mart is dedicated to a specific
business function or region
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[1] Data mining is an interdisciplinary subfield of computer science with
an overall goal to extract information (with intelligent methods) from a data set
and transform the information into a comprehensible structure for further use
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It provides easy access to internal and external
information relevant to organizational goals
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Strategic uses of IT:
1
...
Support innovation
3
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A data
warehouse is constructed by integrating data from multiple heterogeneous sources that
support analytical reporting, structured and/or ad hoc queries, and decision making
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Eg
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

Closed systems are systems which allow users to minimal modification and does
not allow users to modify at a big scale
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-> library, web browsers
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Multimedia can be recorded
and played, displayed, interacted with or accessed by information content processing
devices, such as computerized and electronic devices, but can also be part of a live
performance

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