Question 1

An individual array element can be processed like any other type of C++ variable.

Accepted Answer

A) True 
 B)False

Question 2

The __________ is automatically appended to a character array when it is initialized with a string constant.

Accepted Answer

A)   array name
B)   number of elements
C)   value of the first element
D)   null terminator
E)   None of theseF) A) and E)
G) None of the above D

Question 3

To assign the contents of one array to another, you must use

Accepted Answer

A)   the assignment operator with the array names
B)   the equality operator with the array names
C)   a loop to assign the elements of one array to the other array
D)   Any of these
E)   None of theseF) C) and D)
G) A) and E)

Question 4

In C++11 you cannot use a range-based for loop to modify the contents of an array unless you declare the range variable as a reference variable.

Accepted Answer

A) True 
 B)False

Question 5

An array can store a group of values, but the values must be

Accepted Answer

A)   the same data type
B)   integers and floating-point numbers
C)   integers
D)   constants
E)   None of theseF) A) and E)
G) B) and D)

Question 6

A vector object automatically expands in size to accommodate the items stored in it.

Accepted Answer

A) True 
 B)False

Question 7

This vector function returns true if the vector has no elements.

Accepted Answer

A)   has_no_elements
B)   null_size
C)   empty
D)   is_emptyE) A) and B)
F) A) and C)

Question 8

An element of a two-dimensional array is referred to by

Accepted Answer

A)   the array name followed by the column number of the element
B)   the row subscript of the element followed by the column subscript of the element
C)   a comma followed by a semicolon
D)   the row subscript of the element followed by the array name
E)   None of theseF) A) and E)
G) A) and D) B

Question 9

To pass an array as an argument to a function, pass the __________ of the array.

Accepted Answer

A)   contents
B)   size, expressed as an integer
C)   name
D)   value of the first element
E)   None of theseF) B) and E)
G) A) and E)

Question 10

An array initialization must be all on one line.

Accepted Answer

A) True 
 B)False

Question 11

What is the last legal subscript that can be used with the following array?
Int values[5];

Accepted Answer

A)   0
B)   5
C)   6
D)   4
E)   1F) A) and B)
G) C) and D)

Question 12

Which statement correctly uses C++11 to initalize a vector of ints named n with the values 10 and 20?

Accepted Answer

A) vector n(10, 20) ; B) vector n = {10, 20}; C) vector n {10, 20}; D) int vector n ({10}, {20}) ;E) A) and B) F) A) and C)

Question 13

This vector function is used to insert an item into a vector.

Accepted Answer

A)   insert_item
B)   add_item
C)   store
D)   push_backE) A) and D)
F) A) and C)

Question 14

The following statement is a valid C++ definition:
double money[25.00];

Accepted Answer

A) True 
 B)False

Question 15

If you leave out the size declarator in an array definition

Accepted Answer

A)   you must furnish an initialization list
B)   you are not required to initialize array elements
C)   all array elements default to zero values
D)   your array will contain no elements
E)   None of theseF) A) and E)
G) A) and C)

Question 16

A two-dimensional array can have elements of __________ data type(s) .

Accepted Answer

A)   one
B)   two
C)   four
D)   any number of
E)   None of theseF) A) and B)
G) A) and C)

Question 17

What does the following code do?
Const int SIZE = 5;
Double x[SIZE];
For (int i = 2; i <= SIZE; i++) 
{
X[i] = 0.0;
}

Accepted Answer

A)   Each element in the array is initialized to 0.0.
B)   Each element in the array except the first is initialized to 0.0.
C)   Each element in the array except the first and last is initialized to 0.0.
D)   An error will occur when the code runs.E) B) and C)
F) B) and D) D

Question 18

An array of string objects that will hold five names would be declared with which of the following statements?

Accepted Answer

A)   string names[5];
B)   string names(5) ;
C)   string names 5;
D)   String[5] = names;E) B) and C)
F) C) and D)

Question 19

C++ limits the number of array dimensions to two.

Accepted Answer

A) True 
 B)False

Question 20

The individual values contained in an array are known as

Accepted Answer

A)   parts
B)   items
C)   constants
D)   elements
E)   None of theseF) A) and B)
G) A) and C)

Exam 7: Arrays and Vectors

An individual array element can be processed like any other type of C++ variable.

Correct AnswerverifiedShow Answer

The __________ is automatically appended to a character array when it is initialized with a string constant.

Correct AnswerverifiedD

To assign the contents of one array to another, you must use

Correct AnswerverifiedShow Answer

In C++11 you cannot use a range-based for loop to modify the contents of an array unless you declare the range variable as a reference variable.

Correct AnswerverifiedShow Answer

An array can store a group of values, but the values must be

Correct AnswerverifiedShow Answer

A vector object automatically expands in size to accommodate the items stored in it.

Correct AnswerverifiedShow Answer

This vector function returns true if the vector has no elements.

Correct AnswerverifiedShow Answer

An element of a two-dimensional array is referred to by

Correct AnswerverifiedB

To pass an array as an argument to a function, pass the __________ of the array.

Correct AnswerverifiedShow Answer

An array initialization must be all on one line.

Correct AnswerverifiedShow Answer

What is the last legal subscript that can be used with the following array? Int values[5];

Correct AnswerverifiedShow Answer

Which statement correctly uses C++11 to initalize a vector of ints named n with the values 10 and 20?

Correct AnswerverifiedShow Answer

This vector function is used to insert an item into a vector.

Correct AnswerverifiedShow Answer

The following statement is a valid C++ definition: double money[25.00];

Correct AnswerverifiedShow Answer

If you leave out the size declarator in an array definition

Correct AnswerverifiedShow Answer

A two-dimensional array can have elements of __________ data type(s) .

Correct AnswerverifiedShow Answer

What does the following code do? Const int SIZE = 5; Double x[SIZE]; For (int i = 2; i <= SIZE; i++) { X[i] = 0.0; }

Correct AnswerverifiedD

An array of string objects that will hold five names would be declared with which of the following statements?

Correct AnswerverifiedShow Answer

C++ limits the number of array dimensions to two.

Correct AnswerverifiedShow Answer

The individual values contained in an array are known as

Correct AnswerverifiedShow Answer

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D

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B

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D

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