CS 507 - Lect-23 - Graphics.ppt - Lecture 23 CS 507 System...

Lecture 23
CS 507

System Design
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Designing usable and complete input
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Designing file or database
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Designing user interface (input screen as
it would be seen by the user)
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Designing well defined and usable output
with flexibility to redefine presentation of
outputs in any form.

Designing Usable and Complete Input
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The input forms should be
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Accurate
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Easy to use
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Consistent
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Simple
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Preferably the input forms should be as much
near to what is already being used by a
business.
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Primary parameters should also be defined as
part of input design e.g. basic information
pertaining to various entities suppliers,
customers, employees and chart of accounts.

Designing Output
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Designing should focus on
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Assuring purposeful output
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Providing output as defined and required by
users
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Providing appropriate information
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Assuring distribution of output as per client
specified requirements.
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Minimize throughput time and Query time.