Question 1 (1 point)
 Question 1 Unsaved


A function ________ eliminates the need to place a function definition before all calls to the function.
Question 1 options:



A)  header



B)  prototype



C)  parameter



D)  argument



E)  None of these

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Question 2 (1 point)
 Question 2 Unsaved


If a function does not have a prototype, default arguments may be specified in the function ________.
Question 2 options:



A)  execution



B)  return type



C)  call



D)  header



E)  None of these

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Question 3 (1 point)
 Question 3 Unsaved


This is a collection of statements that performs a specific task.
Question 3 options:



A)  infinite loop



B)  constant



C)  function



D)  variable



E)  None of these

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Question 4 (1 point)
 Question 4 Unsaved


This is a dummy function that is called instead of the actual function it represents.
Question 4 options:



A)  main function



B)  driver



C)  overloaded function



D)  stub

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Question 5 (1 point)
 Question 5 Unsaved


Look at the following function prototype.

 int myFunction(double);

What is the data type of the function's return value?
Question 5 options:



A)  void



B)  int



C)  double



D)  Can't tell from the prototype



Question 6 (1 point)
 Question 6 Unsaved


A function is executed when it is:
Question 6 options:



A)  prototyped



B)  called



C)  declared



D)  defined



E)  None of these

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Question 7 (1 point)
 Question 7 Unsaved


When used as parameters, these types of variables allow a function to access the parameter's original argument.
Question 7 options:



A)  floating-point



B)  undeclared



C)  counter



D)  reference



E)  None of these

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Question 8 (1 point)
 Question 8 Unsaved


These types of arguments are passed to parameters automatically if no argument is provided in the function call.
Question 8 options:



A)  Relational



B)  Local



C)  Default



D)  Global



E)  None of these

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Question 9 (1 point)
 Question 9 Unsaved


Which line in the following program contains a call to the showDub function?

1 #include
2 using namespace std;
3
 4 void showDub(int);
5
 6 int main()
7 {
8 int x = 2;
9
 10 showDub(x);
 11 cout << x << endl;
 12 return 0;
 13 }
 14
 15 void showDub(int num)
 16 {
 17 cout << (num * 2) << endl;
 18 }

Question 9 options:



A)  4



B)  6



C)  10



D)  15

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Question 10 (1 point)
 Question 10 Unsaved


Look at the following function prototype.

 int myFunction(double, double, double);

How many parameter variables does this function have?
Question 10 options:



A)  1



B)  2



C)  3



D)  Can't tell from the prototype


Question 11 (1 point)
 Question 11 Unsaved


It is a good programming practice to ________ your functions by writing comments that describe what they do.
Question 11 options:



A)  prototype



B)  eliminate



C)  document



D)  execute



E)  None of these

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Question 12 (1 point)
 Question 12 Unsaved


A ________ variable is declared outside all functions.
Question 12 options:



A)  local



B)  counter



C)  global



D)  floating-point



E)  None of these

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Question 13 (1 point)
 Question 13 Unsaved


A function can have zero to many parameters, and it can return this many values.
Question 13 options:



A)  no



B)  zero to many



C)  a maximum of ten



D)  only one



E)  None of these

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Question 14 (1 point)
 Question 14 Unsaved


What is the output of the following program?

 #include
 using namespace std;

 void doSomething(int&);

 int main()
 {
 int x = 2;

 cout << x << endl;
 doSomething(x);
 cout << x << endl;
 return 0;
 }

 void doSomething(int& num)
 {
 num = 0;
 cout << num << endl;
 }

Question 14 options:



A)  2
2
2




B)  2
0
2




C)  2
0
0



D)  0
0
0


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Question 15 (1 point)
 Question 15 Unsaved


This vector function removes an item from a vector.
Question 15 options:



A)  pop_back



B)  remove_item



C)  erase



D)  delete_item



Question 16 (1 point)
 Question 16 Unsaved


A two-dimensional array can have elements of ________ data type(s).
Question 16 options:



A)  one



B)  four



C)  two



D)  Any of these



E)  None of these

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Question 17 (1 point)
 Question 17 Unsaved



Which statement correctly defines a vector object for holding integers?

Question 17 options:



A)
vector <int> v;




B)
int vector v;




C)
vector v <int>;




D)
int <vector> v;


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Question 18 (1 point)
 Question 18 Unsaved


What is the last legal subscript that can be used with the following array?

 int values[5];

Question 18 options:



A)  5



B)  4



C)  6



D)  0

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Question 19 (1 point)
 Question 19 Unsaved


The statement:

 int grades[ ] = { 100, 90, 99, 80};

shows an example of:
Question 19 options:



A)  implicit array sizing



B)  default arguments



C)  an illegal array declaration



D)  an illegal array initialization



E)  None of these

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Question 20 (1 point)
 Question 20 Unsaved



What will the following C++ 11 code display?

 vector<int> numbers { 3, 5 };

 for (int val : numbers)
 cout << val << endl;


Question 20 options:



A)
3
5





B)
5
5
5





C)
3
3
3
3
3





D)
Nothing. This code has an error.



Question 21 (1 point)
 Question 21 Unsaved


How many elements does the following array have?

 int bugs[1000];

Question 21 options:



A)  999



B)  1001



C)  1000



D)  Cannot tell from the code

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Question 22 (1 point)
 Question 22 Unsaved


Which of the following is a valid C++ array definition?
Question 22 options:



A)  float $payments[10];



B)  void numbers[5];



C)  int array[10];



D)  int array[0];



E)  None of these

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Question 23 (1 point)
 Question 23 Unsaved


It is ________ to pass an argument to a function that contains an individual array element, such as numbers[3].
Question 23 options:



A)  legal in C++



B)  not good programming practice



C)  illegal in C++



D)  not recommended by the ANSI committee



E)  None of these

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Question 24 (1 point)
 Question 24 Unsaved


To access an array element, use the array name and the element's ________.
Question 24 options:



A)  data type



B)  name



C)  subscript



D)  value



E)  None of these

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Question 25 (1 point)
 Question 25 Unsaved


By using the same ________ you can build relationships between data stored in two or more arrays.
Question 25 options:



A)  data



B)  array name



C)  arguments



D)  subscript



E)  None of these


Question 26 (1 point)
 Question 26 Unsaved


A two-dimensional array of characters can contain ________.
Question 26 options:



A)  strings of different lengths



B)  uninitialized elements



C)  strings of the same length



D)  All of these



E)  None of these

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Question 27 (1 point)
 Question 27 Unsaved


This vector function is used to insert an item into a vector.
Question 27 options:



A)  store



B)  add_item



C)  push_back



D)  insert_item

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Question 28 (1 point)
 Question 28 Unsaved


What will the following code do?

 const int SIZE = 5;
 double x[SIZE];
 for(int i = 2; i <= SIZE; i++)
 {
 x[i] = 0.0;
 }

Question 28 options:



A)  Each element in the array, except the first, is initialized to 0.0



B)  Each element in the array 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

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Question 29 (1 point)
 Question 29 Unsaved


Array elements must be ________ before a binary search can be performed.
Question 29 options:



A)  sorted



B)  positive numbers



C)  set to zero



D)  summed



E)  None of these

Save


Question 30 (1 point)
 Question 30 Unsaved


A(n) ________ search is more efficient than a ________ search.
Question 30 options:



A)  integer, double



B)  binary, linear



C)  linear, binary



D)  character, string



E)  None of these



Question 31 (1 point)
 Question 31 Unsaved


Using a linear search to find a value that is stored in the last element of an array of 20,000 elements, ________ element(s) must be compared.
Question 31 options:



A)  only half



B)  20,000



C)  2000



D)  only the first



E)  None of these

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Question 32 (1 point)
 Question 32 Unsaved


The ________ is adequate for searching through small arrays.
Question 32 options:



A)  linear search



B)  unary search



C)  bubble sort



D)  binary search



E)  None of these

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Question 33 (1 point)
 Question 33 Unsaved


A binary search begins with the ________ element of an array.
Question 33 options:



A)  last



B)  middle



C)  first



D)  largest



E)  None of these

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Question 34 (1 point)
 Question 34 Unsaved


The following statement:

cin >> *num3;

Question 34 options:



A)  is illegal in C++



B)  stores the keyboard input into the pointer called num3



C)  stores the keyboard input into the variable num3



D)  stores the keyboard input into the variable pointed to by num3



E)  None of these

Save


Question 35 (1 point)
 Question 35 Unsaved


What will the following code output?

 int number = 22;
 int *var = &number;
 cout << var << endl;

Question 35 options:



A)  An asterisk followed by the address of the number variable



B)  22



C)  An asterisk followed by 22



D)  The address of the number variable


Question 36 (1 point)
 Question 36 Unsaved


Look at the following statement:

 sum += *array++;

This statement ________.
Question 36 options:



A)  will always result in a compiler error



B)  increments the dereferenced pointer's value by one, then assigns that value



C)  assigns the dereferenced pointer's value, then increments the pointer's address



D)  is illegal in C++



E)  None of these

Save


Question 37 (1 point)
 Question 37 Unsaved


If a variable uses more than one byte of memory, for pointer purposes its address is ________.
Question 37 options:



A)  the address of the first byte of storage



B)  general delivery



C)  the average of the addresses used to store the variable



D)  the address of the last byte of storage



E)  None of these

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Question 38 (1 point)
 Question 38 Unsaved


A function may return a pointer, but the programmer must ensure that the pointer ________.
Question 38 options:



A)  has not been assigned an address



B)  was received as a parameter by the function



C)  still points to a valid object after the function ends



D)  has not previously been returned by another function



E)  None of these

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Question 39 (1 point)
 Question 39 Unsaved


In C++ 11, the ________ key word was introduced to represent the address 0.
Question 39 options:



A)  nullptr



B)  weak_ptr



C)  NULL



D)  All of these



E)  None of these

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Question 40 (1 point)
 Question 40 Unsaved


The ________, also known as the address operator, returns the memory address of a variable.
Question 40 options:



A)  asterisk ( * )



B)  exclamation point ( ! )



C)  percent sign (%)



D)  ampersand ( & )



E)  None of these



Question 41 (1 point)
 Question 41 Unsaved


What will the following code output?

 int number = 22;
 int *var = &number;
 cout << *var << endl;

Question 41 options:



A)  An asterisk followed by 22



B)  22



C)  The address of the number variable



D)  An asterisk followed by the address of the number variable

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Question 42 (1 point)
 Question 42 Unsaved


A pointer variable may be initialized with ________.
Question 42 options:



A)  any non-zero integer value



B)  a valid address in the computer's memory



C)  an address less than 0



D)  A and C only



E)  None of these

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Question 43 (1 point)
 Question 43 Unsaved


________ can be used as pointers.
Question 43 options:



A)  Numeric constants



B)  Punctuation marks



C)  Array names



D)  All of these



E)  None of these

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Question 44 (1 point)
 Question 44 Unsaved


Which of the following statements is not valid C++ code?
Question 44 options:



A)  float num1 = &ptr2;



B)  int ptr = int *num1;



C)  int ptr = &num1;



D)  All of these are valid.



E)  All of these are invalid.

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Question 45 (1 point)
 Question 45 Unsaved


When the less than ( < ) operator is used between two pointer variables, the expression is testing whether ________.
Question 45 options:



A)  the value pointed to by the first is greater than the value pointed to by the second



B)  the first variable was declared before the second variable



C)  the address of the first variable comes before the address of the second variable in the computer's memory



D)  the value pointed to by the first is less than the value pointed to by the second



E)  None of these



Question 46 (1 point)
 Question 46 Unsaved


Use the delete operator only on pointers that were ________.
Question 46 options:



A)  not correctly initialized



B)  dereferenced inappropriately



C)  never used



D)  created with the new operator



E)  None of these

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Question 47 (1 point)
 Question 47 Unsaved


Which statement displays the address of the variable num1?
Question 47 options:



A)  cin >> &num1;



B)  cout << &num1;



C)  cout << num1;



D)  cout << *num1;



E)  None of these

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Question 48 (1 point)
 Question 48 Unsaved


Assuming ptr is a pointer variable, what will the following statement output?

 cout << *ptr;

Question 48 options:



A)  The address of the variable stored in ptr.



B)  The string "*ptr".



C)  The value stored in the variable whose address is contained in ptr.



D)  The address of the variable whose address is stored in ptr.



E)  None of these

Save


Question 49 (1 point)
 Question 49 Unsaved


If you are using an older compiler that does not support the C++ 11 standard, you should initialize pointers with ________.
Question 49 options:



A)  the integer 0, or the value NULL



B)  a nonzero value



C)  the null terminator '\0'



D)  All of these



E)  None of these

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Question 50 (1 point)
 Question 50 Unsaved


When you pass a pointer as an argument to a function, you must ________.
Question 50 options:



A)  dereference the pointer variable in the function prototype



B)  declare the pointer variable again in the function call



C)  not dereference the pointer in the function's body



D)  use the #include statement



E)  None of these