What is 'good design'?
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Printed Date: 25Dec2024 at 3:05pm
Topic: What is 'good design'?
Posted By: tanushree
Subject: What is 'good design'?
Date Posted: 15Oct2007 at 4:17am
What is 'good design'?
'Design'
could refer to many things, but often refers to 'functional design' or
'internal design'. Good internal design is indicated by software code
whose overall structure is clear, understandable, easily modifiable,
and maintainable; is robust with sufficient error-handling and status
logging capability; and works correctly when implemented. Good
functional design is indicated by an application whose functionality
can be traced back to customer and end-user requirements. (See further
discussion of functional and internal design in 'What's the big deal
about requirements?' in FAQ.) For programs that have a user interface,
it's often a good idea to assume that the end user will have little
computer knowledge and may not read a user manual or even the on-line
help; some common rules-of-thumb include:
• the program should act in a way that least surprises the user.
• it should always be evident to the user what can be done next and how to exit.
• the program shouldn't let the users do something stupid without warning them.
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