Question 1

To step through a one-dimensional array, accessing the elements one by one, it would be most appropriate to use ________ loop.

Accepted Answer

A)   an infinite
B)   a sentinel controlled loop
C)   a for loop
D)   a nested loop
E)   noF) C) and D)
G) B) and D)

Question 2

The size of an array is the number of elements that have data stored in them.

Accepted Answer

A) True 
 B)False

Question 3

On each iteration of the following range-based for loop for (int element : myArray) 
Cout << element << endl;
The variable element holds

Accepted Answer

A)   an array value.
B)   an array subscript.
C)   an array name.
D)   an array location.
E)   none of the above.F) A) and E)
G) B) and D) A

Question 4

The following statement for(int val : myArray) 
Cout << val << " ";
Is an example of a(n)

Accepted Answer

A)   regular for loop.
B)   range-based for loop.
C)   nested for loop.
D)   infinite for loop.
E)   illegal statement.F) D) and E)
G) A) and B)

Question 5

The amount of memory used by an array depends solely on the number of elements the array can hold.

Accepted Answer

A) True 
 B)False  False

Question 6

When you pass an array as an argument to a function, the function can modify the contents of the array.

Accepted Answer

A) True 
 B)False

Question 7

The elements of an array can be

Accepted Answer

A)   strings.
B)   structures.
C)   objects.
D)   any of the above.
E)   none of the above.F) A) and E)
G) A) and C)

Question 8

The following array definition is legal because C++ allows arrays to be implicitly sized.
int grades[ ];

Accepted Answer

A) True 
 B)False

Question 9

After carrying out the following two statements, sales will have been created as a one-dimensional array that can hold 20 double values.
typedef salesArray double[20];
salesArray sales;

Accepted Answer

A) True 
 B)False  True

Question 10

If a C++ program contains the following array definition
int score[10];
the following statement would store 100 in the first array element:
score[1] = 100;

Accepted Answer

A) True 
 B)False

Question 11

When you create a vector it is unnecessary to specify how many elements it will hold because it will expand in size as you add new values to it.

Accepted Answer

A) True 
 B)False

Question 12

You can assign the contents of one array to another by using

Accepted Answer

A)   the assignment operator.
B)   the equality operator.
C)   both array names.
D)   A and C together.
E)   none of the above.F) A) and C)
G) D) and E)

Question 13

An array can store multiple values, but the values must be

Accepted Answer

A)   all the same data type.
B)   declared at the time the array is created.
C)   constants.
D)   numeric, not characters or strings.
E)   none of the above.F) All of the above
G) C) and D)

Question 14

To access an array element, use the array name and the element's

Accepted Answer

A)   name.
B)   data type.
C)   value.
D)   subscript.
E)   size declarator.F) C) and D)
G) A) and B)

Question 15

An array can be returned by a function as well as passed to a function.

Accepted Answer

A) True 
 B)False

Question 16

Elements of vectors can be access by using the vector name and a subscript, similarly to how array elements are accessed.

Accepted Answer

A) True 
 B)False

Question 17

Any of the following statements can be used to initialize the integer variable num to 7;
int num = 7;
int num(7);
int num{7};

Accepted Answer

A) True 
 B)False

Question 18

When an array is passed to a function, it is actually ________ the array that is passed.

Accepted Answer

A)   the starting memory address of
B)   a copy of all the values in
C)   the value stored in the first element of
D)   the data type and size of
E)   the data type and name ofF) A) and D)
G) All of the above

Question 19

Each individual element of an array can be accessed by the array name and an element number, called a subscript.

Accepted Answer

A) True 
 B)False

Question 20

What does the following statement do?
Typedef int oneDArray[20];

Accepted Answer

A)   It creates an array of 20 integers.
B)   It makes oneDArray a copy of another 20-integer array.
C)   It makes oneDArray an alias for a data type that holds 20 integers.
D)   It creates a one-dimensional integer array with all elements initialized to 20.
E)   It does none of the above.F) A) and D)
G) A) and C)

Exam 8: Arrays

To step through a one-dimensional array, accessing the elements one by one, it would be most appropriate to use ________ loop.

Correct AnswerverifiedShow Answer

The size of an array is the number of elements that have data stored in them.

Correct AnswerverifiedShow Answer

On each iteration of the following range-based for loop for (int element : myArray) Cout << element << endl; The variable element holds

Correct AnswerverifiedA

The following statement for(int val : myArray) Cout << val << " "; Is an example of a(n)

Correct AnswerverifiedShow Answer

The amount of memory used by an array depends solely on the number of elements the array can hold.

Correct AnswerverifiedFalse

When you pass an array as an argument to a function, the function can modify the contents of the array.

Correct AnswerverifiedShow Answer

The elements of an array can be

Correct AnswerverifiedShow Answer

The following array definition is legal because C++ allows arrays to be implicitly sized. int grades[ ];

Correct AnswerverifiedShow Answer

After carrying out the following two statements, sales will have been created as a one-dimensional array that can hold 20 double values. typedef salesArray double[20]; salesArray sales;

Correct AnswerverifiedTrue

If a C++ program contains the following array definition int score[10]; the following statement would store 100 in the first array element: score[1] = 100;

Correct AnswerverifiedShow Answer

When you create a vector it is unnecessary to specify how many elements it will hold because it will expand in size as you add new values to it.

Correct AnswerverifiedShow Answer

You can assign the contents of one array to another by using

Correct AnswerverifiedShow Answer

An array can store multiple values, but the values must be

Correct AnswerverifiedShow Answer

To access an array element, use the array name and the element's

Correct AnswerverifiedShow Answer

An array can be returned by a function as well as passed to a function.

Correct AnswerverifiedShow Answer

Elements of vectors can be access by using the vector name and a subscript, similarly to how array elements are accessed.

Correct AnswerverifiedShow Answer

Any of the following statements can be used to initialize the integer variable num to 7; int num = 7; int num(7); int num{7};

Correct AnswerverifiedShow Answer

When an array is passed to a function, it is actually ________ the array that is passed.

Correct AnswerverifiedShow Answer

Each individual element of an array can be accessed by the array name and an element number, called a subscript.

Correct AnswerverifiedShow Answer

What does the following statement do? Typedef int oneDArray[20];

Correct AnswerverifiedShow Answer

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