If a function is friend of a class, which one of the following is wrong ? (A) A function can only be declared a friend by a class itself. (B) Friend functions are not members of a class, they are associated with it. (C) Friend functions are members of a class. (D) It can have access to all members of the class, even private ones.

If a function is friend of a class, which one of the following is wrong ? (A) A function can only be declared a friend by a class itself. (B) Friend functions are not members of a class, they are associated with it. (C) Friend functions are members of a class. (D) It can have access to all members of the class, even private ones.
by

1 Answer

Answer :

(C) Friend functions are members of a class.
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State True or False. i) A satic function can have access to only other static members (functions or variables) declared in the same class. ii) A static member function can be called using the class name (instead of its objects) A) True, True B) True, False C) False, True D) False, False

Description : State True or False. i) A satic function can have access to only other static members (functions or variables) declared in the same class. ii) A static member function can be called using the class name (instead of its objects) A) True, True B) True, False C) False, True D) False, False

Last Answer : B) True, False

Which one of the following is correct, when a class grants friend status to another class? (A) The member functions of the class generating friendship can access the members of the friend class. (B) All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship. (C) Class friendship is reciprocal to each other (D) There is no such concept.

Description : Which one of the following is correct, when a class grants friend status to another class? (A) The member functions of the class generating friendship can access the members of the friend class. (B) ... the friendship. (C) Class friendship is reciprocal to each other (D) There is no such concept.

Last Answer : All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship. 

Which of the following is/ are the characteristics of friend function. A) It is not in the scope of the class to which it has been declared as friend. B) It can invoke like a normal function without the help of any object. C) Usually, it has the objects as arguments. D) All of the above.

Description : Which of the following is/ are the characteristics of friend function. A) It is not in the scope of the class to which it has been declared as friend. B) It can invoke like a normal function without the help of any object. C) Usually, it has the objects as arguments. D) All of the above.

Last Answer : D) All of the above.

In Java, when we implement an interface method, it must be declared as: (A) Private (B) Protected (C) Public (D) Friend

Description : In Java, when we implement an interface method, it must be declared as: (A) Private (B) Protected (C) Public (D) Friend

Last Answer : (C) Public

Using which keyword we can access value of the instance variables and class variables of that class inside the method of that class itself. A) super B) final C) this D) either super or this

Description : Using which keyword we can access value of the instance variables and class variables of that class inside the method of that class itself. A) super B) final C) this D) either super or this

Last Answer : C) this

Which of the following differentiates between overloaded functions and overridden functions ? (A) Overloading is a dynamic or runtime binding and overridden is a static or compile time binding. (B) Overloading is a static or compile time binding and overriding is dynamic or runtime binding. (C) Redefining a function in a friend class is called overloading, while redefining a function in a derived class is called as overridden function. (D) Redefining a function in a derived class is called function overloading, while redefining a function in a friend class is called function overriding.

Description : Which of the following differentiates between overloaded functions and overridden functions ? (A) Overloading is a dynamic or runtime binding and overridden is a static or compile time binding. ... function overloading, while redefining a function in a friend class is called function overriding.

Last Answer : (B) Overloading is a static or compile time binding and overriding is dynamic or runtime binding.

The friend functions are used in situations where A) We want to exchange data between classes B) We want to have access to unrelated classes C) Dynamic binding is required D) We want to create versatile overloaded operators.

Description : The friend functions are used in situations where A) We want to exchange data between classes B) We want to have access to unrelated classes C) Dynamic binding is required D) We want to create versatile overloaded operators.

Last Answer : A) We want to exchange data between classes

…………… is a way to bind the data and its associated functions together which allows the data and functions to be hidden. A) Structure B) Class C) Enum D) Both A and B

Description : …………… is a way to bind the data and its associated functions together which allows the data and functions to be hidden. A) Structure B) Class C) Enum D) Both A and B

Last Answer : B) Class

Briefly explain the difference between Public (public), Friend (internal), and Private (private) access levels as they apply to user-defined types and members.

Description : Briefly explain the difference between Public (public), Friend (internal), and Private (private) access levels as they apply to user-defined types and members.

Last Answer : In user-defined types, Public (public) classes can be instantiated by any element of the application. Friend (internal) classes can be instantiated only by members of the same assembly, and Private ( ... the same assembly, and Private (private) members can be accessed only from within the type. 

Which of the following statements is correct? (A) Every class containing abstract method must not be declared abstract. (B) Abstract class cannot be directly initiated with ‘new’ operator. (C) Abstract class cannot be initiated. (D) Abstract class contains definition of implementation.

Description : Which of the following statements is correct? (A) Every class containing abstract method must not be declared abstract. (B) Abstract class cannot be directly initiated with ‘new’ operator. (C) Abstract class cannot be initiated. (D) Abstract class contains definition of implementation.

Last Answer : Answer: B,C

A ……………. takes a reference to an object of the same class as itself as an argument. A) Reference constructor B) Copy Constructor C) Self Constructor

Description : A ……………. takes a reference to an object of the same class as itself as an argument. A) Reference constructor B) Copy Constructor C) Self Constructor

Last Answer : B) Copy Constructor

Implicit return type of a class constructor is: (A) not of class type itself (B) class type itself (B) a destructor of class type (D) a destructor not of class type

Description : Implicit return type of a class constructor is: (A) not of class type itself (B) class type itself (B) a destructor of class type (D) a destructor not of class type 

Last Answer : (B) class type itself

Which of the following is not a member of class ? (A) Static function (B) Friend function (C) Const function (D) Virtual function

Description : Which of the following is not a member of class ? (A) Static function (B) Friend function (C) Const function (D) Virtual function

Last Answer : (B) Friend function

Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. iv) We cannot refer their address. v) Constructors cannot virtual. A) Only i, ii, iii and v B) Only ii, iii, iv, and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

Description : Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. ... and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

Last Answer : D) All i, ii, iii, iv and v

When the inheritance is private, the private methods in base class are.................. in the derived class (in C++). (A) inaccessible (B) accessible (C) protected (D) public

Description : When the inheritance is private, the private methods in base class are.................. in the derived class (in C++). (A) inaccessible (B) accessible (C) protected (D) public

Last Answer : (A) inaccessible

…………… is a condition in which there is a set of concurrent processes, only one of which is able to access a given resource or perform a given function at any time. A) Mutual Exclusion B) Busy Waiting C) Deadlock D) Starvation

Description : …………… is a condition in which there is a set of concurrent processes, only one of which is able to access a given resource or perform a given function at any time. A) Mutual Exclusion B) Busy Waiting C) Deadlock D) Starvation

Last Answer : A) Mutual Exclusion

Having multiple perceptrons can actually solve the XOR problem satisfactorily: this is because each perceptron can partition off a linear part of the space itself, and they can then combine their results. a) True – this works always, and these multiple perceptrons learn to classify even complex problems. b) False – perceptrons are mathematically incapable of solving linearly inseparable functions, no matter what you do c) True – perceptrons can do this but are unable to learn to do it – they have to be explicitly hand-coded d) False – just having a single perceptron is enough

Description : Having multiple perceptrons can actually solve the XOR problem satisfactorily: this is because each perceptron can partition off a linear part of the space itself, and they can then combine their results. ... have to be explicitly hand-coded d) False - just having a single perceptron is enough

Last Answer : c) True – perceptrons can do this but are unable to learn to do it – they have to be explicitly hand-coded

Given the following statements : S1 : SLR uses follow information to guide reductions. In case of LR and LALR parsers, the look-aheads are associated with the items and they make use of the left context available to the parser. S2 : LR grammar is a larger sub-class of context free grammar as compared to that SLR and LALR grammars. Which of the following is true ? (A) S1 is not correct and S2 is not correct. (B) S1 is not correct and S2 is correct. (C) S1 is correct and S2 is not correct. (D) S1 is correct and S2 is correct.

Description : Given the following statements : S1 : SLR uses follow information to guide reductions. In case of LR and LALR parsers, the look-aheads are associated with the items and they make use of the left context available to ... (C) S1 is correct and S2 is not correct. (D) S1 is correct and S2 is correct.

Last Answer : (D) S1 is correct and S2 is correct.

Which of the following keywords are used to control access to a class member? A) default B) break C) protected D) goto

Description : Which of the following keywords are used to control access to a class member? A) default B) break C) protected D) goto

Last Answer : C) protected

State true or false for Java Program. i) Data members of an interface are by default final ii) An abstract class has implementations of all methods defined inside it. A) i-false, ii-false B) i-false, ii-true C) i-true, ii-false D) i-true, ii-true

Description : State true or false for Java Program. i) Data members of an interface are by default final ii) An abstract class has implementations of all methods defined inside it. A) i-false, ii-false B) i-false, ii-true C) i-true, ii-false D) i-true, ii-true

Last Answer : C) i-true, ii-false

Which of the following, in C++, is inherited in a derived class from base class ? (A) constructor (B) destructor (C) data members (D) virtual methods

Description : Which of the following, in C++, is inherited in a derived class from base class ? (A) constructor (B) destructor (C) data members (D) virtual methods

Last Answer : (C) data members

If a variable is declared final, it must include ...................... value. A) integer B) no C) initial D) float

Description : If a variable is declared final, it must include ...................... value. A) integer B) no C) initial D) float

Last Answer : C) initial

A method name myMethod( ) that needs two integer arguments is declared as A) public void myMethod( ); B) public void myMethod(int a, int b); C) public void myMethod(int a, b); D) public int myMethod(a, b);

Description : A method name myMethod( ) that needs two integer arguments is declared as A) public void myMethod( ); B) public void myMethod(int a, int b); C) public void myMethod(int a, b); D) public int myMethod(a, b);

Last Answer : B) public void myMethod(int a, int

A three dimensional array in ‘C’ is declared as int A[x][y][z]. Here, the address of an item at the location A[p][q][r] can be computed as follows (where w is the word length of an integer): (A) &A[0][0][0]+w(y*z*q+z*p+r) (B) &A[0][0][0]+w(y*z*p+z*q+r) (C) &A[0][0][0]+w(x*y*p+z*q+r) (D) &A[0][0][0]+w(x*y*q+z*p+r)

Description : A three dimensional array in C' is declared as int A[x][y][z]. Here, the address of an item at the location A[p][q][r] can be computed as follows (where w is the word length of an integer): (A) &A[0][0][0]+w(y*z*q+z*p+r) (B) &A ... *q+r) (C) &A[0][0][0]+w(x*y*p+z*q+r) (D) &A[0][0][0]+w(x*y*q+z*p+r)

Last Answer : Answer: B

What does the following expression means ? char *(*(* a[N]) ( )) ( ); (A) a pointer to a function returning array of n pointers to function returning character pointers. (B) a function return array of N pointers to functions returning pointers to characters (C) an array of n pointers to function returning pointers to characters (D) an array of n pointers to function returning pointers to functions returning pointers to characters.

Description : What does the following expression means ? char *(*(* a[N]) ( )) ( ); (A) a pointer to a function returning array of n pointers to function returning character pointers. (B) a ... to characters (D) an array of n pointers to function returning pointers to functions returning pointers to characters.

Last Answer : Answer: A,B,C,D

Which one of the following is correct for overloaded functions in C++? (1) Compiler sets up a separate function for every definition of function. (2) Compiler does not set up a separate function for every definition of function. (3) Overloaded functions cannot handle different types of objects. (4) Overloaded functions cannot have same number of arguments.

Description : Which one of the following is correct for overloaded functions in C++? (1) Compiler sets up a separate function for every definition of function. (2) Compiler does not set up a ... functions cannot handle different types of objects. (4) Overloaded functions cannot have same number of arguments.

Last Answer : Answer: 1

When an array is passed as parameter to a function, which of the following statements is correct ? (A) The function can change values in the original array. (B) In C, parameters are passed by value, the function cannot change the original value in the array. (C) It results in compilation error when the function tries to access the elements in the array. (D) Results in a run time error when the function tries to access the elements in the array.

Description : When an array is passed as parameter to a function, which of the following statements is correct ? (A) The function can change values in the original array. (B) In C, parameters are passed by value, ... . (D) Results in a run time error when the function tries to access the elements in the array.

Last Answer : (A) The function can change values in the original array.

............... package is used by compiler itself. So it does not need to be imported for use. A) java.math B) java.awt C) java.applet D) java.lang

Description : ............... package is used by compiler itself. So it does not need to be imported for use. A) java.math B) java.awt C) java.applet D) java.lang

Last Answer : D) java.lang

The dereferencing operator ……… is used when the object itself is used width in the member pointer. A) ->* B) .* C) Any of the above D) None of the above

Description : The dereferencing operator ……… is used when the object itself is used width in the member pointer. A) ->* B) .* C) Any of the above D) None of the above

Last Answer : B) .*

In …………….., the virus places an identical copy of itself into other programs or into certain system areas on the disk. A) Dormant phase B) Propagation phase C) Triggering phase D) Execution phase

Description : In …………….., the virus places an identical copy of itself into other programs or into certain system areas on the disk. A) Dormant phase B) Propagation phase C) Triggering phase D) Execution phase

Last Answer : B) Propagation phase

. …………………….. is a form of virus explicitly designed to hide itself from detection by antivirus software. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus D) Macro Virus

Description : . …………………….. is a form of virus explicitly designed to hide itself from detection by antivirus software. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus D) Macro Virus

Last Answer : A) Stealth virus

A ………………… attaches itself to executable files and replicates, when the infected program is executed, by finding other executable files to infect. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus

Description : A ………………… attaches itself to executable files and replicates, when the infected program is executed, by finding other executable files to infect. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus

Last Answer : C) Parasitic Virus

State whether true of false. i) A worm mails a copy of itself to other systems. ii) A worm executes a copy of itself on another system. A) True, False B) False, True C) True, True D) False, False

Description : State whether true of false. i) A worm mails a copy of itself to other systems. ii) A worm executes a copy of itself on another system. A) True, False B) False, True C) True, True D) False, False

Last Answer : C) True, True

Automatic initialization of object is carried out using a special member function called ………… A) Friend B) Casting C) Reference Parameter D) Constructor

Description : Automatic initialization of object is carried out using a special member function called ………… A) Friend B) Casting C) Reference Parameter D) Constructor

Last Answer : D) Constructor

Is there anyone you've come across, be they friend, family or acquaintance with the attitude that no one is good enough for them (even the ones who are) and yet, for all their apparent self esteem and high standards, they are very unhappy and negative to be in company with.

Description : Is there anyone you've come across, be they friend, family or acquaintance with the attitude that no one is good enough for them (even the ones who are) and yet, for all their apparent self esteem and high standards, they are very unhappy and negative to be in company with.

Last Answer : Oh my god, yes. A ton. I dump them pretty quick. Life’s too short to deal with everyone else’s shit.

The cotransmitter may serve the following function/ functions: A. Regulate the release of the primary transmitter from the nerve ending B. Alter postjunctional action of the primary transmitter C. Itself act as an alternative transmitter D. All of the above

Description : The cotransmitter may serve the following function/ functions: A. Regulate the release of the primary transmitter from the nerve ending B. Alter postjunctional action of the primary transmitter C. Itself act as an alternative transmitter D. All of the above

Last Answer : D. All of the above

The cotransmitter may serve the following function/ functions: A. Regulate the release of the primary transmitter from the nerve ending B. Alter postjunctional action of the primary transmitter C. Itself act as an alternative transmitter D. All of the above

Description : The cotransmitter may serve the following function/ functions: A. Regulate the release of the primary transmitter from the nerve ending B. Alter postjunctional action of the primary transmitter C. Itself act as an alternative transmitter D. All of the above

Last Answer : D. All of the above

Which of the following are the functions of operating system? i) recovering from errors ii) facilitating input/output iii) facilitating parallel operation iv) sharing hardware among users v) implementing user interface A) i, ii, ii, and v only B) i, ii, iii, and iv only C) ii, iii, iv and v only D) All i, ii, iii, iv and v

Description : Which of the following are the functions of operating system? i) recovering from errors ii) facilitating input/output iii) facilitating parallel operation iv) sharing hardware among users v) implementing user interface A) i, ii, ... only C) ii, iii, iv and v only D) All i, ii, iii, iv and v

Last Answer : D) All i, ii, iii, iv and v

A .................... architecture assigns only a few essential functions to the kernel, including address spaces, Inter process communication(IPC) and basic scheduling. A) Monolithic kernel B) Micro kernel C) Macro kernel D) Mini kernel

Description : A .................... architecture assigns only a few essential functions to the kernel, including address spaces, Inter process communication(IPC) and basic scheduling. A) Monolithic kernel B) Micro kernel C) Macro kernel D) Mini kernel

Last Answer : B) Micro kernel

Which of the following is/are the functions of operating system? i) Sharing hardware among users. ii) Allowing users to share data among themselves. iii) Recovering from errors. iv) Preventing users from interfering with one another. v) Scheduling resources among users. A) i, ii, iii and iv only B) ii, iii, iv and v only C) i, iii, iv and v only D) All i, ii, iii, iv and v

Description : Which of the following is/are the functions of operating system? i) Sharing hardware among users. ii) Allowing users to share data among themselves. iii) Recovering from errors. iv) Preventing users from interfering with one another. ... only C) i, iii, iv and v only D) All i, ii, iii, iv and v

Last Answer : D) All i, ii, iii, iv and v

Which of the following is/are the Database server functions? i) Data management ii) Transaction management iii) Compile queries iv) Query optimization A) i, ii, and iv only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii, and iv

Description : Which of the following is/are the Database server functions? i) Data management ii) Transaction management iii) Compile queries iv) Query optimization A) i, ii, and iv only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii, and iv

Last Answer : A) i, ii, and iv only

In C++, polymorphism requires: (A) Inheritance only (B) Virtual functions only (C) References only (D) Inheritance, Virtual functions and references

Description : In C++, polymorphism requires: (A) Inheritance only (B) Virtual functions only (C) References only (D) Inheritance, Virtual functions and references

Last Answer : (D) Inheritance, Virtual functions and references 

Some of the C++ operators cannot overloaded which are i) Member access operators (. And .*) ii) Conditional operator (? :) iii) Scope resolution operator (: :) iv) Size operator (sizeof) A) only i, ii and iii B) only ii, iii and iv C) only ii and iv D) All i, ii, iii and iv

Description : Some of the C++ operators cannot overloaded which are i) Member access operators (. And .*) ii) Conditional operator (? :) iii) Scope resolution operator (: :) iv) Size operator (sizeof) A) only i, ii and iii B) only ii, iii and iv C) only ii and iv D) All i, ii, iii and iv

Last Answer : D) All i, ii, iii and iv

One aspect that has to be dealt with by the integrity subsystem is to ensure that only valid values can be assigned to each data items. This is referred to as A) Data Security B) Domain access C) Data Control

Description : One aspect that has to be dealt with by the integrity subsystem is to ensure that only valid values can be assigned to each data items. This is referred to as A) Data Security B) Domain access C) Data Control

Last Answer : C) Data Control

Which of the following statements concerning Object-Oriented databases is FALSE? (A) Objects in an object-oriented database contain not only data but also methods for processing the data. (B) Object-oriented databases store computational instructions in the same place as the data. (C) Object-oriented databases are more adapt at handling structures (analytical) data than relational databases. (D) Object-oriented databases store more types of data than relational databases and access that data faster.

Description : Which of the following statements concerning Object-Oriented databases is FALSE? (A) Objects in an object-oriented database contain not only data but also methods for processing the data. (B ... Object-oriented databases store more types of data than relational databases and access that data faster.

Last Answer : (C) Object-oriented databases are more adapt at handling structures (analytical) data than relational databases.

1. What is potato an under ground modified stem? 2. Howmany times has National Emergency been declared? 3. With which name of the particle ‘Boson’ is associated? 4. In which country is ‘Mocha’ coffee grown? 5. Who was the only Governor-General/Viceroy to be assassinated in India?

Description : 1. What is potato an under ground modified stem? 2. Howmany times has National Emergency been declared? 3. With which name of the particle Boson' is associated? 4. In which country is ... When is a volcanic eruption most likely to be violent? 20. Buddha and Mahavira died during which reign?

Last Answer : Answer : 1. Tubers 2. Three times 3. S. N. Bose 4. Yemen 5. Lord Mayo 6. GNP 7. Israel 8. Retina 9. Proto-Australoids 10. Sayyid dynasty 11. 250 12. Slow down the speed of neutrons 13 ... 15. Iltutmish 16. Due to income inequality 17. Lactose 18. Once 19. When the lava is viscous 20. Ajatashatru