"Input Design" Please respond to the following:

Computer Science
Tutor: None Selected Time limit: 1 Day

  • Explain what principle you believe is the MOST essential in developing an input design, and justify your choice.
  • Do you agree with the phrase “Garbage in! Garbage out!”? What can be done as a system designer to reduce the likelihood of “garbage” going into your system?
May 17th, 2015

Tolerance Principle: because I believe input design should be flexible and tolerant, preventing chances of errors by all means and presenting a user friendly interface.


YES I Agree "Garbage in Garbage out"

To reduce the likelihood of "Garbage going in to a system, a designer should implement checks and validation mechanisms.  Check mechanism are procedures which examine data supplied and determine whether its of the desired format. Validation Mechanism are procedures which check the validity of the data by examining what a user has supplied against a predefined data.

For example a user can supply a date of birth as 12/12/1890. We know well this person must have died, Now according to the check mechanism the data is a date but its not a valid date of birth for a living person.

May 17th, 2015

Thank you so much

May 17th, 2015

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May 17th, 2015
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May 17th, 2015
Dec 9th, 2016
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