Question 1

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 these 
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 these B

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 these 
A)  array name 
B)  number of elements 
C)  value of the first element 
D)  null terminator 
E)  None of these D

Question 3

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. 
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. D

Question 4

The individual values contained in an array are known as

Accepted Answer

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

Question 5

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 6

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 these 
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 these

Question 7

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 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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 these 
A)  one 
B)  two 
C)  four 
D)  any number of 
E)  None of these

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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)  1 
A)  0 
B)  5 
C)  6 
D)  4 
E)  1

Question 14

An array initialization must be all on one line.

Accepted Answer

A) True 
 B)False

Question 15

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 these 
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 these

Question 16

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 17

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

Accepted Answer

A) True 
 B)False

Question 18

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

Question 19

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

Question 20

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

Exam 7: Arrays and Vectors

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

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

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

The individual values contained in an array are known as

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.

If you leave out the size declarator in an array definition

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

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

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

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

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

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

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

An array initialization must be all on one line.

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

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

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

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

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

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

Introduction to Computers and Programming

Introduction to C

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Searching and Sorting Arrays

Pointers

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

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions and Templates

The Standard Template Library

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters