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OOPS Formative Test-I
Contributed by: Reddy
  • 1. Pick the odd one out
A) boolean type
B) integer type
C) character type
D) array type
E) None of the above
  • 2. Which data type is used to represent the absence of parameters?
A) char
B) string
C) int
D) void
E) float
  • 3. What does ‘\a’ escape code represent?
A) nextline
B) alert
C) tabspace
D) alone
E) form feed
  • 4. Which type is best suited to represent the logical values?
A) integer
B) boolean
C) character
D) All of the above
E) float
  • 5. Which of the following accesses the seventh element stored in array?
A) array(6)
B) array[6]
C) array(7)
D) array(5)
E) array[7]
  • 6. What does a class in C++ holds?
A) All of the above
B) macros
C) both data & functions
D) only data
E) only functions
  • 7. Which is used to define the member of a class externally?
A) :
B) ::
C) #
D) @
E) ?:
  • 8. Which keyword is used to define the user defined data types?
A) type
B) structure
C) typedef
D) def
E) union
  • 9. Which of these following members are not accessed by using direct member access operator?
A) private
B) both private & protected
C) public
D) protected
E) All of the above
  • 10. Which special character is used to mark the end of class?
A) ;
B) //
C) ::
D) .
E)
  • 11. What is the syntax of user-defined data types?
A) None of the above
B) typedef ExistingDataType NameByUser
C) def NameByUser ExistingDataType
D) typedef NameByUser ExistingDataType
  • 12. What is the scope of typedef defined data types?
A) outside the program
B) None of the above
C) whole program
D) inside that block only
  • 13. What is the replacement of macros in C++
A) inline functions
B) None of the above
C) conditional operator
D) friend functions
  • 14. Which of the below are object oriented features
A) All of the above
B) data binding
C) polymorphism
D) encapsulation
E) inheritance
  • 15. A constructor that accepts __________ parameters is called the default constructor.
A) zero
B) four
C) three
D) one
E) two
  • 16. Destructor has the same name as the constructor and it is preceded by ______ .
A) @
B) ~
C) #
D) %
E) !
  • 17. __________ used to make a copy of one class object from another class object of the same class type.
A) copy constructor
B) friend function
C) inline function
D) default constructor
E) constructor
  • 18. How many default constructors per class are possible?
A) One
B) Multiple
C) Two
D) Three
E) All the above
  • 19. Which of the following type of data member can be shared by all instances of its class?
A) protected
B) public
C) private
D) friend
E) static
  • 20. Which of the following gets called when an object goes out of scope?
A) None
B) virtual function
C) constructor
D) destructor
E) main
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