C++ basics: functions, variables and syntax

1. 11. What is the correct value to return to the operating system upon the successful completion of a program?

   1. AA. -1
   2. BB. 1
   3. CC. 0
   4. DD. Programs do not return a value.
      
2. 22. What is the only function all C++ programs must contain?

   1. AA. start()
   2. BB. system()
   3. CC. main()
   4. DD. program()
3. 33. What punctuation is used to signal the beginning and end of code blocks?

   1. AA. { }
   2. BB. -> and C. BEGIN and END
   3. CD. ( and )
   4. DC. ( )
4. 44. What punctuation ends most lines of C++ code?

   1. AA. .
   2. BB. ;
   3. CC. :
   4. DD. '
5. 55. Which of the following is a correct comment?

   1. AA. */ Comments */
   2. BB. ** Comment **
   3. CC. /* Comment */
   4. DD. { Comment }
6. 66. Which of the following is not a correct variable type?

   1. AA. float
   2. BB. real
   3. CC. int
   4. DD. double
7. 77. Which of the following is the correct operator to compare two variables?

   1. AA. :=
   2. BB. =
   3. CC. equal
   4. DD. ==
8. 88 Reference to its own class can be accepted by

   1. A
      A. Simple constructor
      
   2. BB.Copy constructor
      
   3. C
      C.Both A and B
      
   4. D
      D.None of the Above
      
9. 99 Which of the following function prototype is perfectly acceptable?
   

   1. AA. int Function(int Tmp = Show());
   2. BB. float Function(int Tmp = Show(int, float));
   3. CC. Both A and B.
   4. DD. float = Show(int, float) Function(Tmp);
10. 1010 Which of the following statement is correct?

    1. AA. C++ enables to define functions that take constants as an argument.
    2. BB. We cannot change the argument of the function that that are declared as constant.
    3. CC. Both A and B.
    4. DD. We cannot use the constant while defining the function.

11. 1111 Which of the following statement is correct?

    1. AA. Overloaded functions can have at most one default argument.
    2. BB. An overloaded function cannot have default argument.
    3. CC. All arguments of an overloaded function can be default.
    4. DD. A function if overloaded more than once cannot have default argument.
12. 1212 Which of the following statement is correct?

    1. AA. Two functions having same number of argument, order and type of argument can be overloaded if both functions do not have any default argument.
    2. BB. Overloaded function must have default arguments.
    3. CC. Overloaded function must have default arguments starting from the left of argument list.
    4. DD. A function can be overloaded more than once.
13. 1313 Which of the following statement will be correct if the function has three arguments passed to it?

    1. AA. The trailing argument will be the default argument.
    2. BB. The first argument will be the default argument.
    3. CC. The middle argument will be the default argument.
    4. DD. All the argument will be the default argument.
14. 1414 Which of the following statement is incorrect?

    1. AA. Default arguments can be provided for pointers to functions.
    2. BB. A function can have all its arguments as default.
    3. CC. Default argument cannot be provided for pointers to functions.
    4. DD. Constructors can have at most five default parameters.
15. 1515 Which of the following function / type of function cannot be overloaded?

    1. AA. Member function
    2. BB. Static function
    3. CC. Virtual function
    4. DD. Both B and C
16. 1616. Which of the following function declaration is/are incorrect?
    

    1. AA. int Sum(int a, int b = 2, int c = 3);
    2. BB. int Sum(int a = 5, int b);
    3. CC. int Sum(int a = 0, int b, int c = 3);
    4. DD. Both B and C are incorrect.
17. 1717. Which of the following statement is incorrect?

    1. AA. The default value for an argument can be a global constant.
    2. BB. The default arguments are given in the function prototype.
    3. CC. Compiler uses the prototype information to build a call, not the function definition.
    4. DD. The default arguments are given in the function prototype and should be repeated in the function definition.
18. 1818. Where the default value of parameter have to be specified?

    1. AA. Function call
    2. BB. Function definition
    3. CC. Function prototype
    4. DD. Both B or C
19. 1919. Which of the following statement is correct?

    1. AA. The default value for an argument cannot be function call.
    2. BB. C++ allows the redefinition of a default parameter.
    3. CC. Both A and B.
    4. DD. C++ does not allow the redefinition of a default parameter.
20. 2020.Which of the following statement is correct?

    1. AA. Only one parameter of a function can be a default parameter.
    2. BB. Minimum one parameter of a function must be a default parameter.
    3. CC. All the parameters of a function can be default parameters.
    4. DD. No parameter of a function can be default.
21. 2121. Which of the following statement is incorrect?

    1. AA. A default argument is checked for type at the time of declaration and evaluated at the time of call.
    2. BB. We can provide a default value to a particular argument in the middle of an argument list.
    3. CC. We cannot provide a default value to a particular argument in the middle of an argument list.
    4. DD. Default arguments are useful in situations where some arguments always have the same value.
22. 2222. Which of the following statement is correct?

    1. AA. Overloaded functions can accept same number of arguments.
    2. BB. Overloaded functions always return value of same data type.
    3. CC. Overloaded functions can accept only same number and same type of arguments.
    4. DD. Overloaded functions can accept only different number and different type of arguments.
23. 2323. Which of the following function / types of function cannot have default parameters?

    1. AA. Member function of class
    2. BB. main()
    3. CC. Member function of structure
    4. DD. Both B and C
24. 2424. Which of the following statement is correct?

    1. AA.The order of the default argument will be right to left.
       
    2. BB. The order of the default argument will be left to right.
    3. CC. The order of the default argument will be alternate.
    4. DD. The order of the default argument will be random.
25. 25Who is father of C++ Language?

    1. AA. Dr. E.F. Codd
    2. BB. James A. Gosling
    3. CC. Bjarne Stroustrup
    4. DD. Dennis Ritchie
26. 2626. To expose a data member to the program, you must declare the data member in the _____ section of the class

    1. AA. Common
    2. BB. exposed
    3. CC. public
    4. DD. User
27. 2727. A function that changes the state of the cout object is called a(n) _____

    1. AA. Member
    2. BB. adjuster
    3. CC. manipulator
    4. DD. operator
28. 2828. When the compiler cannot differentiate between two overloaded constructors, they are called

    1. AA. Overloaded
    2. BB. destructed
    3. CC. ambiguous
    4. DD. dubious
29. 2929. The file iostream includes

    1. AA. The declarations of the basic standard input-output library
    2. BB. The streams of includes and outputs of program effect
    3. CC. Both of these
    4. DD. None of these
30. 3030. The most common operation used in constructors is

    1. AA. addition
    2. BB. overloading
    3. CC. assignment
    4. DD. polymorphism

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Quiz sobre Sem título, criado por kamen__14 em 29-04-2015.

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