Question 1

A two-dimensional array is like ________ put together.

Accepted Answer

A)  an array and a function
B)  several identical arrays
C)  two functions
D)  two arrays of different types
E)  None of theseF) A) and B)
G) A) and C)

Question 2

Unlike regular variables, these can hold multiple values.

Accepted Answer

A)  constants
B)  named constants
C)  arrays
D)  floating-point variables
E)  None of theseF) A) and B)
G) A) and C)

Question 3

A(n) ________ can be used to specify the starting values of an array.

Accepted Answer

A)  initialization list
B)  array name
C)  subscript
D)  element
E)  None of theseF) C) and E)
G) A) and E)

Question 4

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

Accepted Answer

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

Question 5

A two-dimensional array can be viewed as ________ and ________.

Accepted Answer

A)  rows, columns
B)  arguments, parameters
C)  increments, decrements
D)  All of these
E)  None of theseF) B) and D)
G) D) and E)

Question 6

An array with no elements is ________.

Accepted Answer

A)  legal in C++
B)  illegal in C++
C)  automatically furnished one element, with a value of zero
D)  automatically furnished one value-the null terminator
E)  None of theseF) B) and C)
G) A) and E)

Question 7

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.

Accepted Answer

A) True 
 B)False  True

Question 8

Which statement correctly defines a vector object for holding integers?

Accepted Answer

A) vector v; B) int vector v; C) int v; D) vector v;E) A) and B) F) B) and D) D

Question 9

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

Accepted Answer

A)  data type
B)  subscript
C)  name
D)  value
E)  None of theseF) A) and E)
G) B) and C)

Question 10

This vector function returns the number of elements in a vector.

Accepted Answer

A)  size
B)  num_elements
C)  elements
D)  lengthE) A) and B)
F) B) and D)

Question 11

The amount of memory used by an array depends upon the array's data type and the number of elements in the array.

Accepted Answer

A) True 
 B)False

Question 12

It is ________ to pass an argument to a function that contains an individual array element, such as numbers[3].

Accepted Answer

A)  illegal in C++
B)  legal in C++
C)  not recommended by the ANSI committee
D)  not good programming practice
E)  None of theseF) A) and B)
G) A) and C)

Question 13

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

Accepted Answer

A) True 
 B)False  True

Question 14

How many elements does the following array have?

Accepted Answer

A)  1000
B)  999
C)  1001
D)  Cannot tell from the codeE) B) and D)
F) A) and C)

Question 15

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

Accepted Answer

A)  the same data type
B)  each of a different data type
C)  constants
D)  integers
E)  None of theseF) A) and E)
G) B) and D)

Question 16

Assume array1 and array2 are the names of arrays. To assign the contents of array2 to array1, you would use the following statement.
array1 = array2;

Accepted Answer

A) True 
 B)False

Question 17

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 B)
G) A) and E)

Question 18

This vector function removes an item from a vector.

Accepted Answer

A)  remove_item
B)  delete_item
C)  erase
D)  pop_backE) A) and C)
F) B) and C)

Question 19

What will the following code display?

Accepted Answer

A)   
B)   
C)   
D)  Nothing. This code has an error.E) All of the above
F) C) and D)

Question 20

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 E)
G) A) and E)

Exam 7: Arrays

A two-dimensional array is like ________ put together.

Correct AnswerverifiedShow Answer

Unlike regular variables, these can hold multiple values.

Correct AnswerverifiedShow Answer

A(n) ________ can be used to specify the starting values of an array.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A two-dimensional array can be viewed as ________ and ________.

Correct AnswerverifiedShow Answer

An array with no elements is ________.

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.

Correct AnswerverifiedTrue

Which statement correctly defines a vector object for holding integers?

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

This vector function returns the number of elements in a vector.

Correct AnswerverifiedShow Answer

The amount of memory used by an array depends upon the array's data type and the number of elements in the array.

Correct AnswerverifiedShow Answer

It is ________ to pass an argument to a function that contains an individual array element, such as numbers[3].

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedTrue

How many elements does the following array have?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Assume array1 and array2 are the names of arrays. To assign the contents of array2 to array1, you would use the following statement. array1 = array2;

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

This vector function removes an item from a vector.

Correct AnswerverifiedShow Answer

What will the following code display?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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A two-dimensional array can be viewed as and .

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True

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D

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True

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