CS304 Midterm Online Quiz

CS304-Midterm

1 / 50

Constant objects cannot change their state,

FALSE

TRUE

2 / 50

What a derived class can add?

New data members

New member functions and New friend functions

New constructors and destructor

All of given

3 / 50

Which part of an object exhibits its state?

Data

Operations

Any private part

Any public part

4 / 50

When a variable is define as static in a class then all object of this class,

Have same copy of this variable

None of given

Have different copies of this variable

Can not access this variable

5 / 50

An employee working in an organization has 1.Name 2.Past experience 3.Age 4.Relatives 5.Hobbies in spare times Keeping in view the principle of abstraction, which of the above information the company needs to save as employee’s record?

1,3,5

1,2,3,4

2, 4

1, 2, 3

6 / 50

Static variable can be initialized more than once

TRUE

FALSE

7 / 50

Which is not the Advantage of inheritance?

providing class growth through natural selection

facilitating class libraries

providing a useful conceptual framework.

avoiding the rewriting of code.

8 / 50

We achieve independence of internal implementation from its external interface through-----------

Abstraction

Information Hiding

both encapsulation and information hiding

Encapsulation

9 / 50

this pointers are not accessible for static member functions

TRUE

FALSE

10 / 50

Which of the following is not an example of multiple inheritances?----------

None of the given

Woman

Amphibious Vehicle

Mermaid

11 / 50

What a derived class can add?

New constructors and destructor

New data members

All of given

New member functions and New friend functions

12 / 50

Identify which of the following overloaded operator function’s declaration is appropriate for the given call? Rational_number_1 + 2.325 Where Rational_number_1 is an object of user defined class Rational_number

operator+(double& obj);

Rational_number operator+(Rational_number &obj, double& num);

Rational_number operator+( Rational_number & obj);

Rational_number operator+(double& obj);

13 / 50

A static member function cannot be declared

Explicit

Implicit

Virtual

14 / 50

Which one of the following terms best represents the statement given below, ” Hiding details of an object from the other parts of a program”

Compilation

Encapsulation

Data Mining

Obfustication

15 / 50

Which operator can not be overloaded?

The relation operator ( >= )

Assignment operator ( = )

Script operator ( [] )

Conditional operator (? : )

16 / 50

C++ compiler does not allow to dynamically allocate memory for objects

FALSE

TRUE

17 / 50

What is true about function templates?

The compiler generates only one copy of the function template

The compiler generates a copy of function respective to each type of data

None of the given

The compiler can only generate copy for the int type data

18 / 50

We can use "this" pointer in the constructor in the body and even in the initialization list of any class if we are careful,

FALSE

TRUE

19 / 50

_______ is a relationship

abstraction

encapsulation

Polymarphism

Inheritance

20 / 50

Given the following class class Base{ int Age=33; } How you can improve above class with respect to accessing the field Age?

Define the variable Age as protected and create a set method that returns it and a get method that updates it

Define the variable Age as private and create a get method that returns it and a set method that updates it

Define the variable Age as private

Define the variable Age as protected

21 / 50

Which one of the following terms must relate to polymorphism?

Dynamic allocation

Dynamic binding

Static typing

Static allocation

22 / 50

If you define a vector v with the default constructor, and define another vector w with a one-argument constructor to a size of 11, and insert 3 elements into each of these vectors with push_back(), then the size() member function will return ______ for v and _____ for w

0 for v and 3 for w

11 for v and 3 for w

3 for v and 11 for w

0 for v and 0 for w

23 / 50

a’A static member function can be called, even when a class is not __________

InstantiatedC++ How to Program, Fifth Edition

Called

Define

Declared

24 / 50

Inheritance is a way to

pass arguments to objects of classes

improve data-hiding and encapsulation

add features to existing classes without rewriting them

organize data

25 / 50

Rational_number operator+(Rational_number &obj, double& num);

Rational_number operator+( Rational_number & obj);

operator+(double& obj);

Rational_number operator+(double& obj);

26 / 50

template <> class Vector { } This is an example of partial specialization

TRUE

FALSE

27 / 50

Friend functions are _____________ functions of a class

data member

None of given

object member

non-member

28 / 50

The >= operator can be overloaded

FALSE

TRUE

29 / 50

Static variables act like a global variable in the context or scope of the class

FALSE

TRUE

30 / 50

The >= operator can be overloaded

FALSE

TRUE

31 / 50

Which operator can not be overloaded?

Conditional operator (? : )

The relation operator ( >= )

Script operator ( [] )

Assignment operator ( = )

32 / 50

this pointers are not accessible for static member functions

TRUE

FALSE

33 / 50

________ is/are used to access information hidden within an object?

Interface

Both public and private members

Private member functions

Private data members

34 / 50

Static variable can be initialized more than once.

TRUE

FALSE

35 / 50

We capture the object attributes and behavior in Object Oriented programming using---------------

Data Members

Class

Instances

Function

36 / 50

The life of sub object is not dependant on the life of master class in ___________

Separation

Composition

Aggregation

None of the given

37 / 50

Which of the following may not be an integral part of an object?

Behavior

Protected data members

All of given

State

38 / 50

What problem(s) may occur when we copy objects without using deep copy constructor?

All of the given

System crash

Dangling pointer

Memory Leakage

39 / 50

Which one of the following is not an object association?

Simple Assocation

Aggregation

Inheritance

Composition

40 / 50

Your chief Software designer has shown you a sketch of the new Computer parts system she is about to create. At the top of the hierarchy is a Class called Computer and under this are two child classes. One is called LinuxPC and one is called WindowsPC. The main difference between the two is that one runs the Linux operating System and the other runs the Windows System (of course another difference is that one needs constant re-booting and the other runs reliably). Under the WindowsPC are two Sub classes one called Server and one Called Workstation. How might you appraise your designers work?

Change the hierarchy to remove the need for the superfluous Computer Class

Ask for the option of WindowsPC to be removed as it will soon be obsolete

Give the goahead for further design using the current scheme

Ask for a re-design of the hierarchy with changing the Operating System to a field rather than

41 / 50

C++ compiler does not allow to dynamically allocate memory for objects

TRUE

FALSE

42 / 50

A static member function cannot be declared

Static

Explicit

Implicit

Virtual

43 / 50

The compiler won’t object if you overload the * operator to perform division

TRUE

FALSE

44 / 50

A class can be identified from a statement by -------------

Adverb

Pronoun

Noun

Verb

45 / 50

Which operator can not be overloaded?

Script operator ( [] )

The relation operator ( >= )

Conditional operator (? : )

Assignment operator ( = )

46 / 50

Which of the following are an advantage of OOP?

OOP makes it easy to re-use the code

All of the given options

It provides an ability to create one user defined data type by extending the other

It provides the facility of defining Abstract data types through which real world entities can be defined better

47 / 50

Inheritance is a way to - Please choose one

make general classes into more specific classes.

pass arguments to objects of classes

providing class growth through natural selection

improve data hiding and encapsulation

48 / 50

The >= operator can be overloaded.

FALSE

TRUE

49 / 50

The technique in which we visualize our programming problems according to real life’s problems is called ----------------

object oriented Programming

non of the given

procedural programming

structured programming

50 / 50

In object orientated programming, a class of objects cans _____________ properties from another class of objects

Borrow

Utilize

Inherit

Adopt

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