CS304 Object Oriented Programming Midterm Exam Papers PDF 2010

CS304- Object Oriented Programming LATEST SOLVED MCQS FROM Nov 07,2011 MIDTERM PAPERS MC100401285 [email protected] [email protected] Latest Mcqs  MIDTERM EXAMINATION...

CS304- Object Oriented Programming LATEST SOLVED MCQS FROM Nov 07,2011 MIDTERM PAPERS MC100401285 [email protected] [email protected] Latest Mcqs  MIDTERM EXAMINATION Spring 2010 Question No: 1 ( Marks: 1 ) - Please choose one Which part of an object exhibits its state? ► Data (Page 23) ► Operations ► Any public part ► Any private part Question No: 2 ( Marks: 1 ) - Please choose one Inheritance is a way to ► organize data. ► pass arguments to objects of classes. ► add features to existing classes without rewriting them. (Page 27) ► improve data-hiding and encapsulation. Question No: 3 ( Marks: 1 ) - Please choose one Suppose you have been given the following design, "A person has a name, age, address and sex. You are designing a class to represent a type of person called a patient. This kind of person may be given a diagnosis, have a spouse and may be alive". Given that the person class has already been created, what of the following would be appropriate to include when you design the patient class? ► registration date and diagnosis Click here for Detail ► age and sex ► sex and diagnosis ► diagnosis and age Question No: 4 ( Marks: 1 ) - Please choose one What problem(s) may occur when we copy objects without using deep copy constructor? ► Dangling pointer ► Memory Leakage ► All of the given (Page 147) ► System crash Question No: 5 ( Marks: 1 ) - Please choose one this pointers are not accessible for static member functions. ► True (Page 114) ► False Question No: 6 ( Marks: 1 ) - Please choose one A static member function cannot be declared. ► Static ► Implicit ► Explicit ► Virtual Click here for detail Question No: 7 ( Marks: 1 ) - Please choose one _______ remain in memory even when all objects of a class have been destroyed. ► Static variables (Page 111) ► Instance variable ► Primitive variables ► None of given Question No: 8 ( Marks: 1 ) - Please choose one Friend functions are _____________ functions of a class. ► None of given ► object member ► non-member (Page 136) ► data member Question No: 9 ( Marks: 1 ) - Please choose one ___________, which means if A declares B as its friend it does NOT mean that A can access private data of B. It only means that B can access all data of A. ► Friendship is one way only ► Friendship is two way only ► NO Friendship between classes ► Any kind of friendship Question No: 10 ( Marks: 1 ) - Please choose one The statement objA=objB; will cause a compiler error if the objects are of different classes. ► True ► False Question No: 11 ( Marks: 1 ) - Please choose one 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. ► Rational_number operator+( Rational_number & obj); ► Rational_number operator+(double& obj); (Page 145) ► Rational_number operator+(Rational_number &obj, double& num); ► operator+(double& obj); Question No: 12 ( Marks: 1 ) - Please choose one Which operator can not be overloaded? ► The relation operator ( >= ) ► Assignment operator ( = ) ► Script operator ( [] ) ► Conditional operator (? : ) (Page 141) Question No: 13 ( Marks: 1 ) - Please choose one To convert from a user-defined class to a basic type, you would most likely use ► a built-in conversion operator. ► a one-argument constructor. ► an overloaded = operator. ► a conversion operator that’s a member of the class. Question No: 14 ( Marks: 1 ) - Please choose one The technique in which we visualize our programming problems according to real life’s problems is called ---------------- ► structured programming ► object oriented Programming (Page 9) ► procedural programming ► non of the given Question No: 15 ( Marks: 1 ) - Please choose one In object orientated programming, a class of objects cans _____________ properties from another class of objects ► Utilize ► Borrow ► Inherit Click here for detail ► Adopt Question No: 16 ( Marks: 1 ) - Please choose one A C++ class is similar to -------------------- ► Structure Click here for detial ► Header File ► Library File ► None of the given MIDTERM EXAMINATION Spring 2010 Question No: 1 ( Marks: 1 ) - Please choose one What problem(s) may occur when we copy objects without using deep copy constructor? ► Dangling pointer ► Memory Leakage ► All of the given (Page 147) ► System crash Question No: 2 ( Marks: 1 ) - Please choose one Suppose that the Test class does not have an overloaded assignment operator. What happens when an assignment a=b; is given for two Test objects a and b? ► The automatic assignment operator is used ► The copy constructor is used Click here for detial ► Compiler error ► Run-time error Question No: 3 ( Marks: 1 ) - Please choose one a’A static member function can be called, even when a class is not __________. ► Declared ► Define ► Instantiated C++ How to Program, Fifth Edition(Page 871) ► Called Question No: 4 ( Marks: 1 ) - Please choose one 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.  ► Rational_number operator+( Rational_number & obj); ► Rational_number operator+(double& obj); (Page 145) ► Rational_number operator+(Rational_number &obj, double& num); ► operator+(double& obj); Question No: 5 ( Marks: 1 ) - Please choose one __________ provide the facility to access the data member. ► accesser function (Page 68) ► private function ► inline function ► None of the given Question No: 6 ( Marks: 1 ) - Please choose one Constant objects cannot change their state, ► True (Page 105) ► False Question No: 7 ( Marks: 1 ) - Please choose one The ________ relationship indicates that an object contains other objects. ► None of given (Page 53) ► ‘has-a’ ► ‘is-a’ ► ‘be- Question No: 8 ( Marks: 1 ) - Please choose one Which one of the following features of OOP is used to derive a class from another? ► Encapsulation ► Polymorphism ► Data hiding ► Inheritance (Page 25) Question No: 9 ( Marks: 1 ) - Please choose one _______ is a relationship ► Inheritance (Page 25) ► Polymarphism ► abstraction ► encapsulation Question No: 10 ( Marks: 1 ) - Please choose one __________ satisfy the condition of polymorphism ► Carbon ► Diamond ► Coal ► all of the given (Page 56) Question No: 11 ( Marks: 1 ) - Please choose one A generalization-specialization relation between classes are implemented using ► data hiding ► friend classes ► encapsulation ► inheritance (Page 49) Question No: 12 ( Marks: 1 ) - Please choose one The >= operator can be overloaded. ► True (Page 140) ► False Question No: 13 ( Marks: 1 ) - Please choose one In order to free the memory occupied by the object, we use ------------- ► Constructor ► Destructor (Page 92) ► Shallow Copy ► Deep Copy Question No: 14 ( Marks: 1 ) - Please choose one Which of the following is not an example of multiple inheritances?---------- ► Mermaid ► Woman (Lecture No.5) ► None of the given ► Amphibious Vehicle Question No: 15 ( Marks: 1 ) - Please choose one Static variable can be initialized more than once. ► True Click here for detail ► False  Question No: 16 ( Marks: 1 ) - Please choose one A generic class showing all the common attributes and a behavior of other classes represents a very important feature in oop called -------- ► Inheritance (Page 26) ► Encapsulation ► Polymarphism ► Abstraction MIDTERM EXAMINATION Spring 2010 Question No: 1 ( Marks: 1 ) - Please choose one We can get only one unique value which can be used by all the objects of that class by the use of,  ►static variables Click here for detail  ►dynamic variables  ►instance variables  ►data members Question No: 2 ( Marks: 1 ) - Please choose one A member function having the same name as that of a class and a ~ sign with it is called,  ►Constructor  ►Getter  ►Setter  ►Destructor (Page 92) Question No: 3 ( Marks: 1 ) - Please choose one Using encapsulation we can achieve  ►Information hiding (Page 16)  ►Least interdependencies among modules  ►Implementation independence  ►All of given options Question No: 4 ( Marks: 1 ) - Please choose one Inheritance is a way to  ►make general classes into more specific classes. (Page 27)  ►pass arguments to objects of classes.  ►improve data hiding and encapsulation.  ►providing class growth through natural selection.  Question No: 5 ( Marks: 1 ) - Please choose one Static variable can be initialized more than once. True False (Page 107) Question No: 6 ( Marks: 1 ) - Please choose one For classes with common behavior, you can save effort by placing the common behavior in a __________.  ►Derived Class  ►Base class (Page 29)  ►Deprived Class  ►Named class Question No: 7 ( Marks: 1 ) - Please choose one Which of the following are an advantage of OOP?  ►OOP makes it easy to re-use the code  ►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.  ►All of the given options Click here for detail Question No: 8 ( Marks: 1 ) - Please choose one The >= operator can be overloaded.  ►True (Page 140)  ►False Question No: 9 ( Marks: 1 ) - Please choose one A static member function cannot be declared.  ►Static  ►Implicit  ►Explicit  ►Virtual Click here for detail Question No: 10 ( Marks: 1 ) - Please choose one Static variables act like a global variable in the context or scope of the class.  ►True click here for detail  ►False Question No: 11 ( Marks: 1 ) - Please choose one The compiler won’t object if you overload the * operator to perform division.  ►True Click here for detail  ►False  Question No: 12 ( Marks: 1 ) - Please choose one We can use "this" pointer in the constructor in the body and even in the initialization list of any class if we are careful,  ►TRUE  ►False Question No: 13 ( Marks: 1 ) - Please choose one A C++ class is similar to --------------------  ►Structure Click here for detail  ►Header File  ►Library File  ►None of the given Question No: 14 ( Marks: 1 ) - Please choose one Which operator can not be overloaded?  ►The relation operator ( >= )  ►Assignment operator ( = )  ►Script operator ( [] )  ►Conditional operator (? : ) (Page 141) Question No: 15 ( Marks: 1 ) - Please choose one An overloaded operator always requires one less argument than its number of operands.  ►True (Page 896)  ►False Question No: 16 ( Marks: 1 ) - Please choose one A generalization-specialization relation between classes are implemented using  ►data hiding  ►friend classes  ►encapsulation  ►inheritance (Page 49) Question No: 17 ( Marks: 1 ) - Please choose one In OOP a class is an example of _____  ►Data Type  ►Abstract Type  ►User Defined Type (Page 66)  ►None of the given  Question No: 18 ( Marks: 1 ) - Please choose one A class can be identified from a statement by -------------  ►Noun (Page 58)  ►Pronoun  ►Verb  ►Adverb Question No: 19 ( Marks: 1 ) - Please choose one The members of a class that can be accessed without creating the object of the class is called  ►Private member  ►Data Member  ►Public Member (How to Program page 983)  ►Static MIDTERM EXAMINATION Spring 2010 Question No: 1 ( Marks: 1 ) - Please choose one Suppose there is an object of type Person, which of the following can be considered as one of its attributes ► Name ► Age ► Work() ► Both Name and Age (page 13) Question No: 2 ( Marks: 1 ) - Please choose one What a derived class can add? ► New data members ► New member functions and New friend functions ► New constructors and destructor ► All of given Click here for Detail Question No: 3 ( Marks: 1 ) - Please choose one ________ is/are used to access information hidden within an object? ► Interface ► Private data members ► Private member functions (Page 69) ► Both public and private members Question No: 4 ( Marks: 1 ) - Please choose one this pointers are not accessible for static member functions. ► True (Page 14) ► False Question No: 5 ( Marks: 1 ) - Please choose one A static member function cannot be declared. ► Static ► Implicit ► Explicit ► Virtual Click here for detail Question No: 6 ( Marks: 1 ) - Please choose one C++ compiler does not allow to dynamically allocate memory for objects ► False Click here for detail ► True Question No: 7 ( Marks: 1 ) - Please choose one 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 private ► Define the variable Age as protected ► Define the variable Age as private and create a get method that returns it and a set method that updates it Click here for detail ► Define the variable Age as protected and create a set method that returns it and a get method that updates it Question No: 8 ( Marks: 1 ) - Please choose one Friend class and friend function can be used as an alternate to each other ► True Click here for detail ► False Question No: 9 ( Marks: 1 ) - Please choose one Which of the following operators always takes no argument if overloaded? ►/ ►- ►+ ► ++ Question No: 10 ( Marks: 1 ) - Please choose one Suppose that the Test class does not have an overloaded assignment operator. What happens when an assignment a=b; is given for two Test objects a and b? ► The automatic assignment operator is used ► The copy constructor is used Click here for detail ► Compiler error ► Run-time error Question No: 11 ( Marks: 1 ) - Please choose one Assume a class C with objects obj1, obj2, and obj3. For the statement obj3 = obj1 - obj2 to work correctly, if the overloaded - operator must ► take two arguments. ► return a value Click here for detail ► create a named temporary object. ► take four arguments Question No: 12 ( Marks: 1 ) - Please choose one Which operator can not be overloaded? ► The relation operator ( >= ) ► Assignment operator ( = ) ► Script operator ( [] ) ► Conditional operator (? : ) (Page 141) Question No: 13 ( Marks: 1 ) - Please choose one We achieve independence of internal implementation from its external interface through----------- ► Encapsulation ► Information Hiding ► Abstraction Click here for detial ► both encapsulation and information hiding Question No: 14 ( Marks: 1 ) - Please choose one Which one of the following is not an object association? ► Simple Assocation ► Inheritance (Page 49) ► Aggregation ► Composition Question No: 15 ( Marks: 1 ) - Please choose one We capture the object attributes and behavior in Object Oriented programming using--------------- ► Class (Page 15) ► Function ► Data Members ► Instances Question No: 16 ( Marks: 1 ) - Please choose one The return type of a constructor is of ------------- ► Integer ► Chracter ► Double ► No type Click here for detail MIDTERM EXAMINATION Spring 2010 Question No: 1 ( Marks: 1 ) - Please choose one Which one of the following terms best represents the statement given below, ” Hiding details of an object from the other parts of a program” ► Obfustication. ► Data Mining. ► Compilation. ► Encapsulation (Page 16) Question No: 2 ( Marks: 1 ) - Please choose one The process of hiding unwanted details from users is called __________. ► Protection ► Encapsulation (Page 16) ► Argumentation ► Abstraction Question No: 3 ( Marks: 1 ) - Please choose one 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? ► 2, 4 ► 1, 3, 5 ► 1, 2, 3 (Lecture No.3) ► 1, 2, 3, 4 Question No: 4 ( Marks: 1 ) - Please choose one What a derived class can add? ► New data members ► New member functions and New friend functions ► New constructors and destructor ► All of given Click here for Detail Question No: 5 ( Marks: 1 ) - Please choose one The concept of derived classes is involved in, ► inheritance (Page 25) ► encapsulation ► structure ► array Question No: 6 ( Marks: 1 ) - Please choose one 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? ► 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 Class type Click here for detail ► Ask for the option of WindowsPC to be removed as it will soon be obsolete ► Change the hierarchy to remove the need for the superfluous Computer Class. Question No: 7 ( Marks: 1 ) - Please choose one Consider the code below, class Fred { public: Fred();... }; int main() { Fred a; Fred* p = new Fred;... } Select the best option, ► Fred a; calls the default constructor 09 times Fred* p = new Fred; calls the default constructor 10 times ► Produce an error ► Fred a; calls the default constructor 11 times Fred* p = new Fred; calls the default constructor 11 times ► Fred a; calls the default constructor 10 times Fred* p = new Fred; calls the default constructor 10 times Question No: 8 ( Marks: 1 ) - Please choose one Which construct is the source for the creation of an object? ► Destructor of the class ► New operator Click here for detial ► Delete operator ► Constructor of the class Question No: 9 ( Marks: 1 ) - Please choose one this pointers are not accessible for static member functions. ► True (Page 14) ► False Question No: 10 ( Marks: 1 ) - Please choose one When a variable is define as static in a class then all object of this class, ► Have different copies of this variable ► Have same copy of this variable Click here for detail ► Can not access this variable ► None of given Question No: 11 ( Marks: 1 ) - Please choose one _______ remain in memory even when all objects of a class have been destroyed. ► Static variables (Page 111) ► Instance variable ► Primitive variables ► None of given Question No: 12 ( Marks: 1 ) - Please choose one 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 private ► Define the variable Age as protected ► Define the variable Age as private and create a get method that returns it and a set method that updates it Click here for detail ► Define the variable Age as protected and create a set method that returns it and a get method that updates it Question No: 13 ( Marks: 1 ) - Please choose one The life of sub object is not dependant on the life of master class in ___________. ► Composition ► Aggregation (Page 134) ► Separation ► None of the given Question No: 14 ( Marks: 1 ) - Please choose one Which one is not keyword in C++? ► operator ► B_op Click here for detail ► const ► None of given Question No: 15 ( Marks: 1 ) - Please choose one The >= operator can be overloaded. ► True (Page 140) ► False Question No: 16 ( Marks: 1 ) - Please choose one 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. ► Rational_number operator+( Rational_number & obj); ► Rational_number operator+(double& obj); ► Rational_number operator+(Rational_number &obj, double& num); ► operator+(double& obj);  MIDTERM EXAMINATION Spring 2009 Question No: 1 ( Marks: 1 ) - Please choose one A template provides a convenient way to make a family of ► variables and data members ► functions and classes Click here for detail ► classes and exceptions ► programs and algorithms Question No: 2 ( Marks: 1 ) - Please choose one Which one of the following terms must relate to polymorphism? ► Static allocation ► Static typing ► Dynamic binding (How to program , page 1103) Click here for more detail ► Dynamic allocation Question No: 3 ( Marks: 1 ) - Please choose one 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 (Page 257) ► The compiler can only generate copy for the int type data ► None of the given. Question No: 4 ( Marks: 1 ) - Please choose one Which of the following is the best approach if it is required to have more than one functions having exactly same functionality and implemented on different data types? ► Templates Click here for detial ► Overloading ► Data hiding ► Encapsulation Question No: 5 ( Marks: 1 ) - Please choose one template class Vector { } This is an example of partial specialization. ► True (Page 281) ► False Question No: 6 ( Marks: 1 ) - Please choose one Classes like TwoDimensionalShape and ThreeDimensionalShape would normally be concrete, while classes like Sphere and Cube would normally be abstract. ► True ► False Click here for Detail Question No: 7 ( Marks: 1 ) - Please choose one A non-virtual member function is defined in a base class and overridden in a derived class; if that function is called through a base-class pointer to a derived class object, the derived-class version is used. ► True ► False Click here for Detial Question No: 8 ( Marks: 1 ) - Please choose one Assume a class Derv that is privately derived from class Base. An object of class Derv located in main() can access ► public members of Derv. Click here for Detail ► protected members of Derv. ► private members of Derv. ► protected members of Base. Question No: 9 ( Marks: 1 ) - Please choose one In order to define a class template, the first line of definition must be: ► template (Page 281) ► typename ► Template Class ► Class Question No: 10 ( Marks: 1 ) - Please choose one If there is a pointer p to objects of a base class, and it contains the address of an object of a derived class, and both classes contain a nonvirtual member function, ding(), then the statement p->ding(); will cause the version of ding() in the _____ class to be executed. ► Base ► Derived ► Abstract ► virtual (not sure) Question No: 11 ( Marks: 1 ) - Please choose one When the base class and the derived class have a member function with the same name, you must be more specific which function you want to call (using ___________). ► scope resolution operator ► dot operator ► null operator ► Operator overloading (Page 204) Click here for Detail Question No: 12 ( Marks: 1 ) - Please choose one Non Template Friend functions of a class are friends of ________instance/s of that class. ► All Click here for detail ► One specific ► All instances of one date type ► None of the given options Question No: 13 ( Marks: 1 ) - Please choose one The find() algorithm ► finds matching sequences of elements in two containers. ► finds a container that matches a specified container. ► takes iterators as its first two arguments. Click here for Detail ► takes container elements as its first two arguments. Question No: 14 ( Marks: 1 ) - Please choose one 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. ► 11 for v and 3 for w. ► 0 for v and 0 for w. ► 0 for v and 3 for w. ► 3 for v and 11 for w. Question No: 15 ( Marks: 1 ) - Please choose one Which of the following may not be an integral part of an object? ► State ► Behavior ► Protected data members ► All of given (not sure) Question No: 16 ( Marks: 1 ) - Please choose one Which is not the Advantage of inheritance? ► providing class growth through natural selection. ► facilitating class libraries. ► avoiding the rewriting of code. Click here for Detail ► providing a useful conceptual framework.