Chapter 7

Question 1

15. The _________ indicates the number of elements, or values, an array can hold.

Answer 1

size declarator

Question 2

16. The size declarator must be a(n) _________ with a value greater than _________.

Answer 2

integer, 0

Question 3

17. Each element of an array is accessed and indexed by a number known as a(n) _________.

Answer 3

subscript

Question 4

18. Subscript numbering in C++ always starts at _________.

Answer 4

0

Question 5

The number inside the brackets of an array definition is the _________, but the number
inside an array’s brackets in an assignment statement, or any other statement that
works with the contents of the array, is the _________

Answer 5

size declarator, subscript

Question 6

C++ has no array _________ checking, which means you can inadvertently store data
past the end of an arra

Answer 6

bounds

Question 7

21. Starting values for an array may be specified with a(n) _________ list.

Answer 7

initialization

Question 8

22. If an array is partially initialized, the uninitialized elements will be set to _________.

Answer 8

0

Question 9

If the size declarator of an array definition is omitted, C++ counts the number of items
in the _________ to determine how large the array should be

Answer 9

initialization list

Question 10

By using the same _________ for multiple arrays, you can build relationships between
the data stored in the arrays

Answer 10

subscript

Question 11

You cannot use the _________ operator to copy data from one array to another in a
single statement.

Answer 11

=

Question 12

Any time the name of an array is used without brackets and a subscript, it is seen as
_________

Answer 12

an address

Question 13

27. To pass an array to a function, pass the _________ of the array.

Answer 13

address, or name

Question 14

28. A(n) _________ array is like several arrays of the same type put together.

Answer 14

multi-dimensional

Question 15

29. It’s best to think of a two-dimensional array as having _________ and _________.

Answer 15

rows, columns

Question 16

30. To define a two-dimensional array, _________ size declarators are required.

Answer 16

two

Question 17

When initializing a two-dimensional array, it helps to enclose each row’s initialization
list in _________.

Answer 17

braces

Question 18

When a two-dimensional array is passed to a function the _________ size must be
specified

Answer 18

column

Question 19

The ____________________ is a collection of programmer-defined data types and
algorithms that you may use in your programs

Answer 19

Standard Template Library (or STL)

Question 20

34. The two types of containers defined by the STL are ___________ and ______________.

Answer 20

sequence and associative

Question 21

35. The vector data type is a(n) ______________ container.

Answer 21

sequence

Question 22

To define a vector in your program, you must #include the ____________ header
file

Answer 22

vector

Question 23

To store a value in a vector that does not have a starting size, or that is already full,
use the ________________ member function

Answer 23

push_back

Question 24

To determine the number of elements in a vector , use the _____________ member
function

Answer 24

size

Question 25

39. Use the ________________ member function to remove the last element from a vector .

Answer 25

pop_back

Question 26

40. To completely clear the contents of a vector , use the ___________ member function.

Answer 26

clear

Question 27

An array’s size declarator can be either a literal, a named constant, or a
variable

Answer 27

f

Question 28

To calculate the amount of memory used by an array, multiply the number
of elements by the number of bytes each element uses

Answer 28

t

Question 29

The individual elements of an array are accessed and indexed by unique
numbers.

Answer 29

t

Question 30

The first element in an array is accessed by the subscript 1.

Answer 30

f

Question 31

The subscript of the last element in a single-dimensional array is one less
than the total number of elements in the array

Answer 31

t

Question 32

The contents of an array element cannot be displayed with cout .

Answer 32

false

Question 33

Subscript numbers may be stored in variables.

Answer 33

true

Question 34

You can write programs that use invalid subscripts for an array.

Answer 34

true

Question 35

Arrays cannot be initialized when they are defined. A loop or other means
must be used.

Answer 35

false

Question 36

The values in an initialization list are stored in the array in the order they
appear in the list

Answer 36

true

Question 37

C++ allows you to partially initialize an array.

Answer 37

true

Question 38

If an array is partially initialized, the uninitialized elements will contain
“garbage.

Answer 38

false

Question 39

If you leave an element uninitialized, you do not have to leave all the ones
that follow it uninitialized

Answer 39

false

Question 40

If you leave out the size declarator of an array definition, you do not have to
include an initialization list

Answer 40

false

Question 41

The uninitialized elements of a string array will automatically be set to the
value “0”

Answer 41

false

Question 42

You cannot use the assignment operator to copy one array’s contents to
another in a single statement

Answer 42

true

Question 43

When an array name is used without brackets and a subscript, it is seen as
the value of the first element in the array.

Answer 43

false

Question 44

To pass an array to a function, pass the name of the array.

Answer 44

true

Question 45

When defining a parameter variable to hold a single-dimensional array argument,
you do not have to include the size declarator.

Answer 45

true

Question 46

When an array is passed to a function, the function has access to the original
array.

Answer 46

true

Question 47

A two-dimensional array is like several identical arrays

Answer 47

true

Question 48

It’s best to think of two-dimensional arrays as having rows and columns.

Answer 48

true

Question 49

The first size declarator (in the declaration of a two-dimensional array)
represents the number of columns. The second size definition represents the
number of rows.

Answer 49

false

Question 50

Two-dimensional arrays may be passed to functions, but the row size must
be specified in the definition of the parameter variabl

Answer 50

false

Question 51

C++ allows you to create arrays with three or more dimensions

Answer 51

true

Question 52

A vector is an associative container

Answer 52

false

Question 53

To use a vector , you must include the vector header file.

Answer 53

true

Question 54

Vector s can report the number of elements they contain.

Answer 54

true

Question 55

You can use the [] operator to insert a value into a vector that has no
elements

Answer 55

false

Question 56

If you add a value to a vector that is already full, the vector will automatically
increase its size to accommodate the new value

Answer 56

true

Question 57

int size;
double values[size];

Answer 57

The size declarator cannot be a variable.

Question 58

81. int collection[-20];

Answer 58

The size declarator cannot be negative.

Question 59

82. int table[10];
    for (int x = 0; x < 20; x++)
    {
    cout &laquo_space;“Enter the next value: “;
    cin&raquo_space; table[x];
    }The loop will write data past the end of the array.

Answer 59

The loop will write data past the end of the array.

Question 60

84. int numbers[8] = {1, 2, , 4, , 5};

Answer 60

The initialization list must be enclosed in braces.

Question 61

85. float ratings[];

Answer 61

For the array to be implicitly sized there must be an initialization list.

Question 62

86. char greeting[] = {‘H’, ‘e’, ‘l’, ‘l’, ‘o’};
    cout &laquo_space;greeting;

Answer 62

A null terminator must be specified in the initialization list.

Question 63

87. int array1[4], array2[4] = {3, 6, 9, 12};
    array1 = array2;

Answer 63

The assignment operator cannot be used to assign the contents of one array to
another, in a single statement

Question 64

88. void showValues(int nums)
    {
    for (int count = 0; count < 8; count++)
    cout &laquo_space;nums[count];
    }

Answer 64

The parameter should be declared as int nums[]. Also, the function should
have a parameter to hold the size of the array

Question 65

89. void showValues(int nums[4][])
    {
    for (rows = 0; rows < 4; rows++)
    for (cols = 0; cols < 5; cols++)
    cout &laquo_space;nums[rows][cols];
    }

Answer 65

The parameter must specify the number of columns, not the number of rows.

Question 66

90. vector<int> numbers = { 1, 2, 3, 4 };</int>

Answer 66

You do not use an = operator before the initialization list.