C++ Programming The expression (6-2)*(5+3)/3 evaluates to ___________. Write a c++ expression for . ____________________ What is the process of manually converting an int to a double called? _______________ Write a statement that prints the value of 3.0/7.0 to 4 decimal places. ____________________________ The ____________ iomanip operator sets the width of the field for the << operator. Write a statement that computes the square root of a squared plus b squared double a = 5.0; double b = 12.0; double result = _______________________________ What include file is needed for the code in the previous question? _______________ The ___________________ library function computes the tangent of an angle. The _________ binary relational operator tests if two operands are equal. The _________ unary relational operator inverts the truth value of a boolean expression. True or false: x >= y is the same as x > y && x == y? _________________ In the following code, for what values of x will statement_B be executed? if (x > 10) statement_A; else if (x > 8) statement_B; else statement_C; _____________________

C++ Programming

1. The expression (6-2)*(5+3)/3 evaluates to ___________.
2. Write a c++ expression for .
   ____________________
3. What is the process of manually converting an int to a double called? _______________
4. Write a statement that prints the value of 3.0/7.0 to 4 decimal places.
   ____________________________
   
   
5. The ____________ iomanip operator sets the width of the field for the << operator.
6. Write a statement that computes the square root of a squared plus b squared
   double a = 5.0; double b = 12.0;
   double result = _______________________________
7. What include file is needed for the code in the previous question? _______________
8. The ___________________ library function computes the tangent of an angle.
9. The _________ binary relational operator tests if two operands are equal.
10. The _________ unary relational operator inverts the truth value of a boolean expression.
11. True or false: x >= y is the same as x > y && x == y? _________________
12. In the following code, for what values of x will statement_B be executed?
    
    if (x > 10) statement_A;
    else if (x > 8) statement_B;
    else statement_C;
    _____________________
    
    
13. Write a boolean expression that will be true if and only if x is either between 4 and 6 inclusive or between 7 and 9 inclusive.
    ___________________________________
    
    
14. If you need to execute several statements in the else part of an if statement, what do you need to do?
    ______________________________________
    
    
15. When should you use the if-else if-else pattern?
    __________________________________________
    
    
    
16. A flag is a ___________________________________________________.
17. The scope of a variable extends from its point of declaration to ___________________.
18. Will the following expression yield true or yield false? "abc" < "abcd" ?____________________
19. When a variable in an inner block has the same name as a variable in an outer block, the variable in the outer block is said to be _____________________.
20. After the code segment int n=5; int m=n++; what is the value of m? ___________
21. What is the main difference between a while loop and a do-while loop? ______________
22. Write a for loop that is equivalent to this while loop:
    int k = 4;
    while (k < 21)
    k = k*2;
    _______________________________
    
    
23. What will be the final value of k in the preceding problem? ___________
24. What is wrong with the following program segment?
    int m = 0;
    for (int j = 1; j < 8; j++)
    m += 1;
    cout << m << " " << j;
    
    ___________________________________
    
    

1. True or false: these two loops are equivalent. ___________________
   for (;;) { statement; … }
   and
   while (true) { statement; … }
2. In the preceding problem, what is needed within the {} block to prevent an infinite loop?
   
   ________________________________________
3. What does the break statement do inside a loop?
   
   ___________________________________
4. If you are reading a text file using the ifstream object, how do you tell if you have reached the end of the file?
   __________________________________________
5. If you open a text file for reading using the ifstream object, how do you tell if the open was successful?
   
   __________________________________________
6. Write a function prototype for a function named add that accepts two arguments of type int and double and returns a value of type double.
   
   ___________________________________________
7. If a program calls a function with a reference argument and the function alters the argument, is the value in the caller affected? ________________________________________
   For example:
   the function:
   int incr(int& n) { n += 1; return n; }
   the caller of the function:
   int k = 3; int j = incr(k);
8. Can a c++ function call itself? Yes or no. _____________
9. In the function prototype void action(int& value); The argument value is said to be a ___________ parameter.
10. In the previous problem, suppose the function action updated its argument. True or false: the variable value in the caller would be updated. ________________
11. True or false: the following two prototypes represent valid overloaded functions _________:
    double fna(double,int);
    float fna(float,int);