Deck 5: Arrays

Question 1

Arrays are always composed of elements of the same data ____.

A)type
C)method
B)style
D)mode

Answer 1

A

Question 2

Some programmers refer to an array as a table, or a ____.

A)catalog
C)matrix
B)template
D)list

Answer 2

C

Question 3

A ____, also called an index, is a number that indicates the position of a particular item within an array.

A)superscript
C)placeholder
B)key
D)subscript

Answer 3

D

Question 4

An error commonly made by beginning programmers is to forget that array subscripts start with the integer 1.

Question 5

As with a while loop, when you use a for loop, you must be careful to stay within array bounds, remembering that the highest usable array subscript is one less than the size of the array.

Question 6

Depending on the syntax rules of the programming language you use, you place the subscript within parentheses or square brackets following the group name.

Question 7

Many programming languages allow you to initialize an array with fewer values than there are array elements declared.

Question 8

Sometimes the values stored in arrays should be constants.

Question 9

Leaving a loop as soon as a match is found improves the program's efficiency.

Question 10

Any array's subscripts are always a sequence of ____.

A)alphanumeric characters
C)links
B)symbols
D)integers

Question 11

If you store important papers in a series of file folders and label each folder with a consecutive letter of the alphabet, then you are using the equivalent of an array.

Question 12

Whenever you require ____ storage locations for objects, you are using a real-life counterpart of a programming array.

A)multiple
C)stacked
B)fixed
D)expandable

Question 13

A flag is a variable you set to indicate whether some event occurred.

Question 14

Each variable within an array has the same name and the same data type.

Question 15

What is another word for a subscript?

A)superscript
C)variable
B)subroutine
D)index

Question 16

Parallel arrays are two arrays such that each element in one array is associated with the element in the same relative position in the other array.

Question 17

Each separate array variable is one ____ of an array.

A)element
C)factor
B)block
D)aspect

Question 18

All array elements have the same ____ name, but each individual element also has a unique subscript indicating how far away it is from the first element.

A)variable
C)superscript
B)group
D)value

Question 19

A(n) ____ is a series or list of variables in computer memory, all of which have the same name and data type but are differentiated with special numbers called subscripts.

A)collection
C)script
B)array
D)group

Question 20

Each array element occupies an area in memory next to, or ____, the others.

A)coupled with
C)contiguous to
B)associated with
D)parallel with

Question 21

Providing array values is also called ____________________ the array.

Question 22

In Visual Basic, if you declare an array named count, its size is stored in what constant?

A)count.size
C)count.length
B)count.Length
D)count.ElementNumber

Question 23

The ____________________ is considered to be one of the most useful data structures.

Question 24

Two corresponding arrays are known as ____ arrays when each element in one array is associated with the element in the same relative position in the other array.
a.perpendicular
c.similar
b.parallel
d.

Question 25

Using an array is never ____.

A)mandatory
C)a good idea
B)optional
D)easy to understand

Question 26

A ____ is a variable that you set to indicate whether some event has occurred.

A)banner
C)sentinel
B)sentry
D)flag

Question 27

In C++ and C#, which type of punctuation is used to hold the array's subscript following the group name?

A)square brackets
C)parenthesis
B)asterisks
D)quotes

Question 28

When you use a subscript not within the range of acceptable subscripts, your subscript is said to be ____.

A)out of range
C)out of bounds
B)out of area
D)out of series

Question 29

To access an array element in Java, you place the subscript inside ____________________.

Question 30

The highest usable array subscript is ____.

A)twice the size of the array
C)one more than the size of the array
B)the size of the array
D)one less than the size of the array

Question 31

matching
ANS: B PTS: 1 REF: 175
Leaving a loop as soon as a match is found ____ a program's efficiency.

A)worsens
C)doesn't change
B)improves
D)defines

Question 32

When you declare an array, you provide a(n) ____ name for a number of associated variables in memory.

A)permanent
C)group
B)immutable
D)standard

Question 33

Every array has a(n) ____ size.

A)finite
C)indefinite
B)infinite
D)large

Question 34

Initializing an array with a number of elements ____ the array's size is not allowed in any programming language.

A)fewer than
C)greater than or equal to
B)more than
D)less than or equal to

Question 35

An array can best be used to replace what type of structure?

A)flowchart
C)sequence
B)selection
D)nested decision

Question 36

A(n) ____ is the process of searching through a list from one end to another.

A)binary search
C)linear search
B)array search
D)midpoint search

Question 37

Users enter incorrect data frequently; a good program should be able to handle the mistake and not allow the ____ to be out of bounds.

A)subscript
C)range
B)superscript
D)variable

Question 38

A ____ is any series of contiguous values between specified limits.

A)parallel array
C)bounded series
B)range of values
D)subscript search

Question 39

If an array has valid subscripts from 0 to 4, the size of the array is ____________________.

Question 40

All of the variables in an array have the same name and data type but are differentiated with special numbers called ____________________.

Question 41

When you search a list from one end to the other, it is called a(n) ____________________ search.

Question 42

A(n) ____________________ is a variable set to indicate whether some event has occurred.

Question 43

A(n) ____________________ is out of bounds when it is not in the range of acceptable values.

Question 44

____________________ arrays are most useful when value pairs have an indirect relationship.

Question 45

A(n) ____________________ search starts looking in the middle of a sorted list then determines whether it should continue higher or lower.

Question 46

Arrays are often useful for replacing ____________________ decisions.

Question 47

____________________ arrays are two or more arrays in which each element in one array is associated with the element in the same relative position in the other array(s).

Question 48

The first subscript in an array is ____________________.

Question 49

Subscripts are always a sequence of ____________________.

Question 50

____________________ the array involves providing values for elements of the array.