Question 1

Assume that all variables are properly declared.The following statement in a value-returning function is legal.
if (x % 2 == 0)
$\quad$return x;
else
$\quad$return x + 1;

Accepted Answer

A) True 
 B)False

Question 2

____________________ identifiers are not accessible outside of the function (block).

Accepted Answer

The answer of ____________________ identifiers are not accessible outside of...

Question 3

The following return statement returns the value 10.
return 10,16;

Accepted Answer

A) True 
 B)False

Question 4

The data type of a variable in a return statement must match the function type.

Accepted Answer

A) True 
 B)False

Question 5

The execution of a return statement in a user-defined function terminates the program.

Accepted Answer

A) True 
 B)False

Question 6

The statement: return 37,y,2 * 3; returns the value ____.

Accepted Answer

A)  2 
B)  3 
C)  y 
D)  6 
A)  2 
B)  3 
C)  y 
D)  6

Question 7

Given the following function prototype: int test(float,char);,which of the following statements is valid?

Accepted Answer

A)  cout << test(12, &); 
B)  cout << test("12.0", '&'); 
C)  int u = test(5.0, '*'); 
D)  cout << test('12', '&'); 
A)  cout << test(12, &); 
B)  cout << test("12.0", '&'); 
C)  int u = test(5.0, '*'); 
D)  cout << test('12', '&');

Question 8

Once you write and properly debug a function,you can use it in the program (or different programs)again and again without having to rewrite the same code repeatedly.

Accepted Answer

A) True 
 B)False

Question 9

A variable listed in a header is known as a(n)____ parameter.

Accepted Answer

A)  actual 
B)  local 
C)  formal 
D)  function 
A)  actual 
B)  local 
C)  formal 
D)  function

Question 10

Assume the following. static_cast('a')= 97 Static_cast('A')= 65 The output of the statement: Cout << static_cast(tolower('B'))<< endl; is ____.

Accepted Answer

A)  65 
B)  67 
C)  96 
D)  98 
A)  65 
B)  67 
C)  96 
D)  98

Question 11

Which of the following function prototypes is valid?

Accepted Answer

A)  int funcExp(int x, float v); 
B)  funcExp(int x, float v){}; 
C)  funcExp(void); 
D)  int funcExp(x); 
A)  int funcExp(int x, float v); 
B)  funcExp(int x, float v){}; 
C)  funcExp(void); 
D)  int funcExp(x);

Question 12

When you attach & after the dataType in the formal parameter list of a function,the variable following that dataType becomes a(n)____________________ parameter.

Accepted Answer

The answer of When you attach & after the dataType...

Question 13

Given the function prototype: double testAlpha(int u,char v,double t); which of the following statements is legal?

Accepted Answer

A)  cout << testAlpha(5, 'A', 2); 
B)  cout << testAlpha( int 5, char 'A', int 2); 
C)  cout << testAlpha('5.0', 'A', '2.0'); 
D)  cout << testAlpha(5.0, "65", 2.0); 
A)  cout << testAlpha(5, 'A', 2); 
B)  cout << testAlpha( int 5, char 'A', int 2); 
C)  cout << testAlpha('5.0', 'A', '2.0'); 
D)  cout << testAlpha(5.0, "65", 2.0);

Question 14

Given the function prototype: float test(int,int,int);
Which of the following statements is legal?

Accepted Answer

A)  cout << test(7, test(14, 23)); 
B)  cout << test(test(7, 14), 23); 
C)  cout << test(14, 23); 
D)  cout << test(7, 14, 23); 
A)  cout << test(7, test(14, 23)); 
B)  cout << test(test(7, 14), 23); 
C)  cout << test(14, 23); 
D)  cout << test(7, 14, 23);

Question 15

A variable for which memory is allocated at block entry and deallocated at block exit is called a(n)____________________ variable.

Accepted Answer

The answer of A variable for which memory is allocated...

Question 16

____________________ parameters are useful in three situations:
• When the value of the actual parameter needs to be changed
• When you want to return more than one value from a function
• When passing the address would save memory space and time relative to copying a large amount of data

Accepted Answer

The answer of ____________________ parameters are useful in three situations:
•...

Question 17

What value is returned by the following return statement? int x = 5;
Return x + 1;

Accepted Answer

A)  0 
B)  5 
C)  6 
D)  7 
A)  0 
B)  5 
C)  6 
D)  7

Question 18

The following function heading in a C++ program is valid:
int funcExp(int u,char v,float g)

Accepted Answer

A) True 
 B)False

Question 19

In C++,a function prototype is the function heading without the body of the function.

Accepted Answer

A) True 
 B)False

Question 20

If a function needs to return more than one value,as a rule of good programming style,you should change it to a(n)____________________ function and use the appropriate reference parameters to return the values.

Accepted Answer

The answer of If a function needs to return more...

Exam 6: User-Defined Functions

Assume that all variables are properly declared.The following statement in a value-returning function is legal. if (x % 2 == 0) \quad return x; else \quad return x + 1;

____________________ identifiers are not accessible outside of the function (block).

The following return statement returns the value 10. return 10,16;

The data type of a variable in a return statement must match the function type.

The execution of a return statement in a user-defined function terminates the program.

The statement: return 37,y,2 * 3; returns the value ____.

Given the following function prototype: int test(float,char);,which of the following statements is valid?

Once you write and properly debug a function,you can use it in the program (or different programs)again and again without having to rewrite the same code repeatedly.

A variable listed in a header is known as a(n)____ parameter.

Assume the following. static_cast<int>('a')= 97 Static_cast<int>('A')= 65 The output of the statement: Cout << static_cast<int>(tolower('B'))<< endl; is ____.

Which of the following function prototypes is valid?

When you attach & after the dataType in the formal parameter list of a function,the variable following that dataType becomes a(n)____________________ parameter.

Given the function prototype: double testAlpha(int u,char v,double t); which of the following statements is legal?

Given the function prototype: float test(int,int,int); Which of the following statements is legal?

A variable for which memory is allocated at block entry and deallocated at block exit is called a(n)____________________ variable.

____________________ parameters are useful in three situations: • When the value of the actual parameter needs to be changed • When you want to return more than one value from a function • When passing the address would save memory space and time relative to copying a large amount of data

What value is returned by the following return statement? int x = 5; Return x + 1;

The following function heading in a C++ program is valid: int funcExp(int u,char v,float g)

In C++,a function prototype is the function heading without the body of the function.

If a function needs to return more than one value,as a rule of good programming style,you should change it to a(n)____________________ function and use the appropriate reference parameters to return the values.

An Overview of Computers and Programming Languages

Basic Elements of C++

Input/Output

Control Structures I (Selection)

Control Structures II (Repetition)

User-Defined Simple Data Types, Namespaces, and the string Type

Arrays and Strings

Records (structs)

Classes and Data Abstraction

Inheritance and Composition

Pointers, Classes, Virtual Functions, Abstract Classes, and Lists

Overloading and Templates

Exception Handling

Recursion

Linked Lists

Stacks and Queues

Searching and Sorting Algorithms

Binary Trees

Graphs

Standard Template Library (STL)

Filters

Assume that all variables are properly declared.The following statement in a value-returning function is legal. if (x % 2 == 0) $\quad$ return x; else $\quad$ return x + 1;