evaluation and analysis of alternative design method
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8/8/2019 Evaluation and Analysis of Alternative Design Method
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PRESENTED BY:ABHISHEK SRIVASTAVA
DURGESH CHOUDHARY
HARSH JAIN SACHIN SINGHAL
8/8/2019 Evaluation and Analysis of Alternative Design Method
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About MISy A management information system is a system that
provides information needed to manage organizations
effectively.
y In other words a computer system design to help managers
plan and direct business and organizational operations.
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y The design and implementation of an MIS cannot be carried
out in an unplanned fashion. The different groups of tasks andthe cost of design and implementation make it a major project.
y The conceptual design outlines the structure of the MIS andindicates the performance requirements for those who willdevelop the detailed design.
y The managers who are going to make use of it should have a
major role in the development and evaluation of alternativeconcepts
.
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y The management must recognize the fundamental business problems and objectives of the MIS.
y The system constraints can be environmental, basic
business, or technical. The management is mainly
responsible for describing this.
y The detailed design starts with the performance
specifications provided by the conceptual design and ends
with a set of specifications for the construction of the
MIS.
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y If the operating system is not going to be changed, the
design of the MIS should be developed in association with
the design of the operating system.
y A complete description of the detailed design cannot be
given, as design work is a creative and problem-solving
activity.
y The 'systems approachµ to problem solving uses a systems
orientation to define problems and opportunities and
develop solutions.
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Design process alternativesy Analysis of design process alternatives requires the
options to be carefully understood and described.
y A method for evaluation of design process alternatives has been applied to development projects at VAC.
y Analyzing design process of Volvo aero corporation is
done by using signal flow graphs.
y Signal flow graphs consist of preliminary design, test andevaluation method, detail design is processed and after
that this method is repeatedly used.
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yThe signal flow graph is well known as a
method for circuit and systems analysis in
electrical engineering and for modeling
discrete-event systems.
yThe edibility and quality of product
development processes can be evaluated bymodeling various features of the design
process.
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yComputational methods, such as finite element
analysis and computational fluid dynamics
(CFD) are increasingly used to perform these
predictions of product behavior during
development.yHowever, these new design methods and
strategies affect the flow and timing of
activities within the product development process.
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Evaluating alternative design
optiony Batch processing
y Online processing
y Online with batch overnight updatey Intermediate update
y Improved Manual operation
y Distributed data processing
y Decentralized processing
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Online processingy In this processing, transaction can be keyed in at
terminals at remote sites and transferred to computer
system via telecommunications channels.y Online order system is an example of online
processing
y There are two types of online processing are:
online with batch overnight update.online intermediate update.
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Distributed data processingy In this processing, local transaction can be used to
update local files and summary results can be
transmitted to central system.y It is mainly used by stores such as sears and J. C.
Penney are the good example of this approach.
y In this system sales transactions updated local
inventory database.
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Decentralized processingy A dedicated minicomputer or microcomputer with its
own database can serve as a decentralized system.
y A local word processing system in an office and adedicated and production planning system in a plantare good examples of decentralized processing.
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