DATA STRUCTURE

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DATA STRUCTURE

2BCA UNIT1(14-05-20)

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Q 1) The OOPs concept in C++, exposing only necessary information to users or clients is known as *

1 point

A. Abstraction

B. Encapsulation

C. Data hiding

D. Hiding complexity

Q 2) Which of the following is an abstract data type? *

1 point

A. Class

B. Int

C. String

D. Double

Q 3) Hiding the complexity is known as *

1 point

A. Abstraction

B. Encapsulation

C. Data hiding

D. Composition

Q 4) For Cat and Animal class, correct way of inheritance is *

1 point

A. class Cat: public Animal

B. class Animal: public Cat

C. Both are correct way

D. None is correct way

Q 5) In a class, encapsulating an object of another class is called *

1 point

A. Composition

B. Inheritance

C. Encapsulation

D. None

Q 6)Features not available in C++ object oriented programming is *

1 point

A. Virtual destructor

B. Virtual constructor

C. Virtual function

D. All

Q 7)IS A relationship in C++ is *

1 point

A. Inheritance

B. Encapsulation

C. Composition

D. None

Q 8) If you want to write multiple functions in a class with same name, then what C++ feature will you use? *

1 point

A. Function overriding

B. Encapsulation

C. Function overloading

D. None

Q 9) Polymorphism types is/are *

1 point

A. Compile time

B. Run time

C. Both

D. None

Q 10) If I want to have common functions in a class and want to defer implementations of some other functions to derived classes, then we need to use *

1 point

A. An interface

B. An abstract class

C. A friend class

D. A static class

Q11) Correct way of creating an object of a class called Car is *

1 point

A. Car obj;

B. Car *obj = new Car();

C. Only B

D. A & B both

Q12) In C++, Class object created statically(e.g. Car obj; and dynamically (Car *obj = new Car() ; ) are stored in memory *

1 point

A. Stack, heap

B. Heap, heap

C. Heap, stack

D. Stack, stack

Q13)True statement about Class and structure in C++ is *

1 point

A. Default access specifier is private in class and public in structure

B. Way of creating objects of class and structure are different

C. Way of inheriting class and structure are different

D. None

Q14) In C++ programming, cout is a/an *

1 point

A. Function

B. Operator

C. Object

D. macro

Q15) Which is Abstract Data Type in C++ *

1 point

A. Class

B. Int

C. Float

D. array

Q16) Class allows only one object of it to be created though out the program life cycle *

1 point

A. Singleton class

B. Abstract class

C. Friend class

D. All classes

Q17) Statically allocated object for class A in C++ is *

1 point

A. A *obj = new A();

B. A obj;

C. A obj = new A();

D. None

Q18) When you create an object of a class A like A obj ; then which one will be called automatically *

1 point

A. Constructor

B. Destructor

C. Copy constructor

D. Assignment operator

Q19) When you create an object of a derived class in C++ *

1 point

A. Derived class constructor is called first then the base class constructor

B. Base class constructor is called first then derived class constructor

C. base class constructor will not be called

D. none of the above

Q20) The class in C++ which act only as a base class and object of it cannot be created is *

1 point

A. parent class

B. super class

C. abstract class

D. none of the above

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