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chapter 4 - Coggle Diagram
chapter 4
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INPUT & OUTPUT DESIGN
QUALITY OUTPUT=QUALITY INPUT
garbage in,garbage out (GIGO)
Data Entry Screens
Use a default value when a field value will be constant for successive records or throughout the data entry session
Display a list of acceptable values for fields, and provide meaningful error messages
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Provide a descriptive caption for every field, and show the user where to enter the data and the required or maximum field size
Allow users to add, change, delete, and view records
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Types Of Reports
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Summary reports
Upper-level managers often want to see total figures and do not need supporting details
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