Classical

Object Oriented Programming - Object Modelling

6:  

Operator overloading is

A.

making C++ operators work with objects

B.

giving new meaning to existing C++ operators

C.

making new C++ operators

D.

both (a) and (b)

 
 

Option: D

Explanation :


7:  
Assume a class C with obj1, obj2, and obj3. For the statement obj3 = 1 - obj2 to work correctly, the overloaded operator must
A.

return a value

B.

create a named temporary object

C.
use the object of which it is a member as an operand
D.

both (a) and (c)

 
 

Option: D

Explanation :


8:  

Inheritance is a way to

A.

pass arguments and improve data hiding

B.
pass arguments and add features to existing classes without rewriting them
C.
make general classes into more specific classes  and add features to existing classes without rewriting them
D.

improve data hiding and encapsulation.

 
 

Option: C

Explanation :


9:  
In object oriented programming, advantages of inheritance include
A.

providing a useful conceptual framework

B.

avoiding rewriting of code

C.

facilitating class libraries

D.

all of these

 
 

Option: D

Explanation :


10:  

Redirection redirects

A.

a file from a device to a stream

B.

a stream from a file to the screen

C.

a device from the screen to a file

D.

the screen from a device to a stream

 
 

Option: B

Explanation :




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Syllabus covered in this section is-

  • O-O Programming Concepts , Class object instantiation
  • Inheritance, polymorphism and overloading
  • C++ Prograinming - Elements of C++, Tokens,
  • Identifters Variables and constants, data, types
  • Operators, Control, statements
  • Functions
  • Parameter passing
  • Class and objects
  •  Constructors and destructors
  •  Overloading,  Inheritance,
  • Templates, Exception handling

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  • DOEACC Exams
  • Kendriya Vidyalaya Sangathan Entrance Test
  • Undergraduate Computer Science  Course
  • GATE Computer Science
  • Post Graduate Computer Science Exam
  •  PhD Entrance Exam
  • Computer Engineering

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