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System Analyst and Design

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Sky-High Internet Services Situation: Sky-High Internet Services is a leading Internet service provider in a metropolitan area. The new customer billing system has caused an increase in complaints. Tammy Jones, the office manager, asked you to investigate the situation. After interviewing data entry operators and observing the online data input process, you are fairly certain that most errors occur when data is entered.

a. Write a brief memo to Tammy explaining the importance of data validation during the input process.
b. Suggest at least three specific data validation checks that might help reduce input errors.
c. Would a batch input system offer any advantages? Write a brief memo to Tammy stating your views.

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