C++ MCQ Set-1

1. Which datatype is used to represent the absence of parameter ?

(A) int
(B) short
(C) void
(D) float

2. In C++ what is the sign of character type by default ?

(A) Signed
(B) Unsigned
(C) Implementation dependent
(D) None of the above

3. The size of an object or a type can be determined using which operator ?

(A) malloc
(B) sizeof
(C) alloc
(D) calloc

4. Which of the following will not return a value ?

(A) null
(B) void
(C) empty
(D) free

5. In which type does enumerators are stored by the compiler ?

(A) string
(B) integer
(C) float
(D) None of the above

6. The constants are also called as :

(A) Const.
(B) Preprocessor
(C) Literals
(D) None of the above

7. The data elements in structure are also known as what ?

(A) Objects
(B) Members
(C) Data
(D) None of the above

8. What is this operator called ?

(A) Conditional
(B) Relational
(C) Casting Operator
(D) None of the above

9. How many type of comments are there in C++ ?

(A) 1
(B) 2
(C) 3
(D) 4

10. Where does the execution of the program starts ?

(A) User-defined function
(B) Main function
(C) Void function
(D) None of the above

11. How many minimum number of functions are need to be presented in C++ ?

(A) 0
(B) 1
(C) 2
(D) 3

12. In which of the follwing we cannot overload the function ?

(A) Return function
(B) Caller
(C) Called function
(D) None of the above

13. When out function need to return anything means what will we use/send as paramenter in function ?

(A) Void
(B) Blank space
(C) Both Void and Blank space
(D) None of the above

14. What does your class can hold ?

(A) Data
(B) Functions
(C) Both data and functions
(D) None of the above

15. Where does the object is created ?

(A) Class
(B) Constructor
(C) Destructor
(D) Attributes

16. Pick the other name of operation function :

(A) Function overloading
(B) Operator overlaoding
(C) Member overlaoding
(D) None of the above

17. Which alternative can replace the throw statement ?

(A) for
(B) break
(C) return
(D) exit

18. Where is the derived class is derived form :

(A) derived
(B) base
(C) Both derived and base
(D) None of the above

19. Which symbol is used to create multiple inheritance ?

(A) Dot
(B) Comma
(C) Dollar
(D) None of the above

20. Which header file is used to pass unknown number to arguments to function ?

(A) stdlib.h
(B) string.h
(C) stdarg.h
(D) None of the above