Exam 2: Introduction to Transaction Processing

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The process of acquiring raw materials is part of the conversion cycle.

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What information is provided by a record layout diagram?

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For a given field size,a system that uses alphabetic codes can represent far more situations than a system with that uses numeric codes.

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Processing more transactions at a lower unit cost makes batch processing more efficient than real-time systems.

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Explain how a hashing structure works and why it is quicker than using an index.Give an example.If it so much faster,why isn't it used exclusively?

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Most organizations have replaced the general journal with a _______________________________.

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Resource use is one characteristic used to distinguish between batch and real-time systems.Explain.

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Batch processing systems can store data on direct access storage devices.

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Comment on the following statement: "Legacy systems use flat file structures."

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Real time processing is used for routine transactions in large numbers.

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Operational efficiencies can be improved by

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Describe the key activities in the revenue,conversion,and expenditure cycles.

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Provide a specific example of a general ledger account and a corresponding subsidiary ledger.

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Block codes restrict each class to a pre-specified range.

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Why is the master file backup procedure important?

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System flowcharts represent the input sources,programs,and output products of a computer system.

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Operational inefficiencies occur because accounts unique to many concurrent transactions need to be updated in real time.

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Documents that are created at the beginning of the transaction are called __________________________.

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Why is the audit trail important?

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Which documentation technique depicts data relationship in databases.?

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