Exam 8: Advanced Data Handling Techniques

To correctly swap two values, you create a(n) ____ variable to hold one of the values.

When you sort records, two possible approaches are to place related data items in parallel arrays and to ____.

Why might you never need to write a program that sorts data as a professional programmer?

When computers sort data, they always use ____ values when making comparisons between values.

Describe a one-dimensional array.

Because "A" is always less than "B", alphabetic sorts are ____ sorts.

Give an example of an occasion when you would need to sort records.

It is relatively easy for people to keep track of arrays with more than three dimensions.

Each element in a two-dimensional array requires ____ subscript(s) to reference it.

Describe an insertion sort.

When using a bubble sort to sort a 10-element array, on the fourth pass through the array list you detect that no swap has occurred. This indicates ____.

A ____sort is a sorting algorithm in which list values are divided into sorted and unsorted sublists.

One way to access records in a desired order, even though they might not be physically stored in that order, is to create a(n) ____.

When you use an index, you can store records on a ____ storage device.

A record's ____ field is the field whose contents make the record unique among all records in a file.

Some programming languages allow multidimensional arrays.

When you create a ____ report, the records must have been sorted in order by a key field.

In a(n) ____, if an element is out of order relative to any of the items earlier in the list, you move each earlier item down one position and then insert the tested element.

An array whose elements you can access using a single subscript is a ____ array.

When you ____________________ values stored in two variables, you exchange their values.