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20 terms

Chapter 8

STUDY
PLAY
Before you can perform a selection sort, the data must be stored in ascending order.
false
A(n) ________ search uses a loop to sequentially step through an array
linear
When an array is sorted from highest to lowest, it is said to be in _____ order
descending
A binary search begins with the _________ element of an array
middle
In the average case, an item is just as likely to be found near the beginning of an array as near the end
True
Data that is sorted in ascending order is ordered
from lowest to highest value
___________ algorithms are used to arrange random data into some order
Sorting
Using a linear search to find a value that is stored in the last element of an array of 20,000 elements, ____________ element(s) must be compared
20,000
Array elements must be _________ before a binary search can be performed
sorted
A ________ algorithm is a method of locating a specific item of information in a larger collection of data
search
A(n) ________ search is more efficient than a(n) ________ search
binary, linear
Using a binary search, you are more likely to find an item than if you use a linear search
False
The _________ is adequate for searching through small arrays.
linear search
The bubble sort is an easy way to arrange data into ascending order, but it cannot arrange data into descending order.
False
The number of comparisons made by a binary search is expressed in powers of two
True
Before you can perform a bubble sort, the data must be stored in descending order
False
The advantage of a linear search is its ____________
simplicity
A linear search can only be implemented with integer values
False
Regardless of the algorithm being used, a search through an array is always performed
None of these
The _________ sort usually performs fewer exchanges than the ________ sort
selection, bubble