Exam 2: Introduction to Transaction Processing

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Explain the following three types of pointers: physical address pointer,relative address pointer,and logical key pointer.

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Which documentation technique depicts data relationship in databases.?

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The box symbol represents a temporary file.

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A file that stores data used as a standard when processing transactions is

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Which of the following is a turn-around document?

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Document flowcharts are used to represent systems at different levels of detail.

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How are computer system flowcharts and program flowcharts related?

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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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List a method of data processing that uses the destructive update approach?

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Give one advantages of real-time data collection.

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Mnemonic codes are appropriate for items in either an ascending or descending sequence,such as the numbering of checks or source documents.

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Subsidiary ledgers are used in manual accounting environments.What file is comparable to a subsidiary ledger in a computerized environment?

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Which symbol represents a data store?

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

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If an organization processes large numbers of transactions that use common data records,what type of system would work best (all else being equal)?

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The block code is the coding scheme most appropriate for a chart of accounts.

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What are the subsystems of the revenue cycle?

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Compare and contrast the relative advantages and disadvantages of sequential,block,group,alphabetic and mnemonic codes.

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Program flowcharts are used to describe the logic represented in system flowcharts.

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Operational inefficiencies occur because

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