Question: Chapter 1 4 Distinguish between sequential access and direct access. Give an example of a type of 5. Identify a common task in a payroll

Chapter 1 4 Distinguish between sequential access and direct access. Give an example of a type of 5. Identify a common task in a payroll system for which sequential access is more appropriate 6. What is the difference between a serial collection of data and a sequential collection of 7. What is the purpose of an external index? application for which each is particularly appropriate. than direct access and explain why this is so. data? Which can be used for direct access

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