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Exam 8: Advanced Data Handling Techniques

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Question 31

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When a large data file needs to be processed in ascending or descending order based on a particular field, the most efficient approach is usually to store and access records based on their logical order.

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Question 32

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A two-dimensional array contains two dimensions: ____.

A) size and scope
B) breadth and height
C) height and width
D) depth and width

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Question 33

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Describe a two-dimensional array.

When you ____ records, you store a list of key fields paired with the storage address for the corresponding data record.

The sorting process is usually reserved for a relatively large number of data items.

You can make additional improvements to a bubble sort to reduce unnecessary comparisons.

Describe a bubble sort.

You do not need to determine a record's exact physical address in order to use it.

Explain why you might want to use a two-dimensional array.

In its simplest form, creating a(n) ____________________ list involves creating one extra field in every record of stored data.

The most popular computer coding schemes include ASCII, Numeric, and EBCDIC.