Question 1

Arrays may be ___________ at the time they are __________.

Accepted Answer

A)  resized, executed 
B)  re-scoped, deleted 
C)  initialized, declared 
D)  pre-compiled, typecast 
E)  None of these 
A)  resized, executed 
B)  re-scoped, deleted 
C)  initialized, declared 
D)  pre-compiled, typecast 
E)  None of these C

Question 2

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 these 
A)  data type 
B)  subscript 
C)  name 
D)  value 
E)  None of these B

Question 3

When writing functions that accept multi-dimensional arrays as arguments, _______________ must be explicitly stated in the parameter list.

Accepted Answer

A)  all dimensions 
B)  all but the first dimension 
C)  the size declarator of the first dimension 
D)  all element values 
E)  None of these 
A)  all dimensions 
B)  all but the first dimension 
C)  the size declarator of the first dimension 
D)  all element values 
E)  None of these B

Question 4

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 5

What does the following statement do? vector<int> v(10, 2);

Accepted Answer

A)  It creates a vector object and initializes all the first two elements with the values 10 and 2. 
B)  It creates a vector object with a starting size of 2 and the first element initialized with the value 10. 
C)  It creates a vector object with a starting size of 10 and the first element initialized with the value 2. 
D)  It creates a vector object with a starting size of 10 and all elements are initialized with the value 2. 
A)  It creates a vector object and initializes all the first two elements with the values 10 and 2. 
B)  It creates a vector object with a starting size of 2 and the first element initialized with the value 10. 
C)  It creates a vector object with a starting size of 10 and the first element initialized with the value 2. 
D)  It creates a vector object with a starting size of 10 and all elements are initialized with the value 2.

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

What will the following code display? 
int numbers[] = { 99, 87, 66, 55, 101 };
for (int i = 1; i < 4; i++)
$\quad$cout << numbers[i] << endl;

Accepted Answer

A)  99
87
66
55
101 
B)  87
66
55
101 
C)  87
66
55 
D)  Nothing. This code has an error. 
A)  99
87
66
55
101 
B)  87
66
55
101 
C)  87
66
55 
D)  Nothing. This code has an error.

Question 8

What will the following code display? int numbers[4] = { 99, 87 };
Cout << numbers[3] << endl;

Accepted Answer

A)  87 
B)  0 
C)  garbage 
D)  This code will not compile 
A)  87 
B)  0 
C)  garbage 
D)  This code will not compile

Question 9

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

Accepted Answer

A)  insert_item 
B)  add_item 
C)  store 
D)  push_back 
A)  insert_item 
B)  add_item 
C)  store 
D)  push_back

Question 10

Which of the following is a valid C++ array definition?

Accepted Answer

A)  int scores[0]; 
B)  float $payments[10]; 
C)  int readings[4.5]; 
D)  int scores [10]; 
E)  None of these 
A)  int scores[0]; 
B)  float $payments[10]; 
C)  int readings[4.5]; 
D)  int scores [10]; 
E)  None of these

Question 11

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

Question 12

An array can easily be stepped through by using a

Accepted Answer

A)  for loop 
B)  reference variable 
C)  named constant 
D)  null value 
E)  None of these 
A)  for loop 
B)  reference variable 
C)  named constant 
D)  null value 
E)  None of these

Question 13

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 these 
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 these

Question 14

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 15

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

Accepted Answer

A)  has_no_elements 
B)  null_size 
C)  empty 
D)  is_empty 
A)  has_no_elements 
B)  null_size 
C)  empty 
D)  is_empty

Question 16

The individual values contained in array are known as

Accepted Answer

A)  parts 
B)  elements 
C)  numbers 
D)  constants 
E)  None of these 
A)  parts 
B)  elements 
C)  numbers 
D)  constants 
E)  None of these

Question 17

What does the following statement do? vector<int> v(10);

Accepted Answer

A)  It creates a vector object and initializes all of its elements to the value 10. 
B)  It creates a vector object with a starting size of 10. 
C)  It creates a vector object and initializes the first element with the value 10. 
D)  It creates a vector object that can store only values of 10 or less. 
A)  It creates a vector object and initializes all of its elements to the value 10. 
B)  It creates a vector object with a starting size of 10. 
C)  It creates a vector object and initializes the first element with the value 10. 
D)  It creates a vector object that can store only values of 10 or less.

Question 18

What will the following code do? 
const int SIZE = 5;
double x[SIZE];
for(int i = 2; i <= SIZE; i++)
{
$\quad$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 the last, is initialized to 0.0 
D)  An error will occur when the code runs 
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 the last, is initialized to 0.0 
D)  An error will occur when the code runs

Question 19

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

Accepted Answer

A)  size 
B)  num_elements 
C)  elements 
D)  length 
A)  size 
B)  num_elements 
C)  elements 
D)  length

Question 20

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 
A)  0 
B)  5 
C)  6 
D)  4

Arrays may be _ at the time they are .

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

When writing functions that accept multi-dimensional arrays as arguments, _______________ must be explicitly stated in the parameter list.

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

What does the following statement do? vector<int> v(10, 2);

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

What will the following code display? int numbers[] = { 99, 87, 66, 55, 101 }; for (int i = 1; i < 4; i++) $\quad$ cout << numbers[i] << endl;

What will the following code display? int numbers[4] = { 99, 87 }; Cout << numbers[3] << endl;

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

Which of the following is a valid C++ array definition?

A two-dimensional array is like ______________ put together.

An array can easily be stepped through by using a

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

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

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

The individual values contained in array are known as

What does the following statement do? vector<int> v(10);

What will the following code do? const int SIZE = 5; double x[SIZE]; for(int i = 2; i <= SIZE; i++) { $\quad$ x[i] = 0.0; }

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

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

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Searching and Sorting Arrays

Characters, C++-Strings, and More About the String Class

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Exam 7: Arrays

Arrays may be ___________ at the time they are __________.

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

When writing functions that accept multi-dimensional arrays as arguments, _______________ must be explicitly stated in the parameter list.

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

What does the following statement do? vector<int> v(10, 2);

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

What will the following code display? int numbers[] = { 99, 87, 66, 55, 101 }; for (int i = 1; i < 4; i++) \quad cout << numbers[i] << endl;

What will the following code display? int numbers[4] = { 99, 87 }; Cout << numbers[3] << endl;

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

Which of the following is a valid C++ array definition?

A two-dimensional array is like ______________ put together.

An array can easily be stepped through by using a

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

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

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

The individual values contained in array are known as

What does the following statement do? vector<int> v(10);

What will the following code do? const int SIZE = 5; double x[SIZE]; for(int i = 2; i <= SIZE; i++) { \quad x[i] = 0.0; }

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

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

Introduction to Computers and Programming

Introduction to C++

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Searching and Sorting Arrays

Characters, C++-Strings, and More About the String Class

Structured Data

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Arrays may be _ at the time they are .

What will the following code display? int numbers[] = { 99, 87, 66, 55, 101 }; for (int i = 1; i < 4; i++) $\quad$ cout << numbers[i] << endl;

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

What will the following code do? const int SIZE = 5; double x[SIZE]; for(int i = 2; i <= SIZE; i++) { $\quad$ x[i] = 0.0; }