On Sun, Jul 17, 2011 at 9:24 AM, bc100402458 Anila Ghaffar <bc100402458@vu.edu.pk> wrote:
NO THIS IS WRONG....ONLY FRIEND FUNCTION OF A CLASS ALSO HAS ACCESS TO
THE PVT MEMBERS OF THE CLASS....(PAGE NUMBER 374)
On 7/17/11, R@ïñßøwßrïgh± <dngdng101@gmail.com> wrote:
> Private and public members of class can also access the private member
> variables of a class
>
>
> ----- Original Message -----
> From: "bc100402458 Anila Ghaffar" <bc100402458@vu.edu.pk>
> To: <vu-structure@googlegroups.com>
> Sent: Saturday, July 16, 2011 7:44 PM
> Subject: Re: (VU Structure) [ vuZs.net ] CS201 Final Term Solved 5 Please
> check
>
>
> Question No: 5 ( Marks: 1 ) - Please choose one
>
> Which kind of functions can access private member variables of a class?
>
> ► Friend functions of the class (CORRECT SEE THE LECTURE NUMBER
> 30)
>
> ► Private member functions of the class
>
> ► Public member functions of the class
>
> ► Friend, private and public functions
>
>
>
>
>
> On 7/16/11, R@ïñßøwßrïgh± <dngdng101@gmail.com> wrote:
>> FINALTERM EXAMINATION
>>
>> Spring 2010
>>
>> CS201- Introduction to Programming
>>
>>
>>
>>
>>
>>
>> Marks: 58
>>
>> Question No: 1 ( Marks: 1 ) - Please choose one
>>
>> In if structure the block of statements is executed only,
>>
>> ? When the condition is false
>>
>> ? When it contain arithmetic operators
>>
>> ? When it contain logical operators
>>
>> ? When the condition is true
>>
>>
>>
>> Question No: 2 ( Marks: 1 ) - Please choose one
>>
>> Header file: fstream.h includes the definition of the stream classes
>> __________.
>>
>> ? ifstream, fstream, cout
>>
>> ? ifstream, fstream, ofstream
>>
>> ? fstream, cin, cout
>>
>> ? None of the above
>>
>>
>>
>> Question No: 3 ( Marks: 1 ) - Please choose one
>>
>> To access the data members of structure _______ is used.
>>
>> ? dot operator (.)
>>
>> ? * operator
>>
>> ? operatorà
>>
>> ? None of given.
>>
>>
>>
>> Question No: 4 ( Marks: 1 ) - Please choose one
>>
>> eof( ), bad( ), good( ), clear( ) all are manipulators.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 5 ( Marks: 1 ) - Please choose one
>>
>> Which kind of functions can access private member variables of a class?
>>
>> ? Friend functions of the class
>>
>> ? Private member functions of the class
>>
>> ? Public member functions of the class
>>
>> ? Friend, private and public functions
>>
>>
>>
>> Question No: 6 ( Marks: 1 ) - Please choose one
>>
>> The return type of operator function must always be void.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 7 ( Marks: 1 ) - Please choose one
>>
>> Friend function of a class is ______________ .
>>
>> ? Member function
>>
>> ? Non-member function
>>
>> ? Private function
>>
>> ? Public function
>>
>>
>>
>> Question No: 8 ( Marks: 1 ) - Please choose one
>>
>> Function implementation of friend function must be defined outside the
>> class.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 9 ( Marks: 1 ) - Please choose one
>>
>> The normal source of cin object is,
>>
>> ? File
>>
>> ? Disk
>>
>> ? Keyboard
>>
>> ? RAM
>>
>>
>>
>> Question No: 10 ( Marks: 1 ) - Please choose one
>>
>> Which of the following is correct way to initialize a variable x of int
>> type
>> with value 10?
>>
>> ? int x ; x = 10;
>>
>> ? int x = 10;
>>
>> ? int x, x = 10;
>>
>> ? x = 10;
>>
>>
>>
>> Question No: 11 ( Marks: 1 ) - Please choose one
>>
>> Consider the following code segment. What will be the output of the
>> following program?
>>
>> int func(int) ;
>>
>> int num = 10 ;
>>
>> int main(){
>>
>> int num ;
>>
>> num = 5 ;
>>
>> cout << num ;
>>
>> cout << func(num) ;
>>
>> }
>>
>> int func(int x){
>>
>> return num ;
>>
>> }
>>
>> ? 5, 5
>>
>> ? 10, 5
>>
>> ? 5, 10
>>
>> ? 10, 10
>>
>>
>>
>> Question No: 12 ( Marks: 1 ) - Please choose one
>>
>> With template function, the compiler automatically detects the passed data
>> and generates a new copy of function using passed data.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 13 ( Marks: 1 ) - Please choose one
>>
>> What will be the correct syntax to declare two-dimensional array of float
>> data type?
>>
>> ? float arr{2}{2} ;
>>
>> ? float arr[2][2] ;
>>
>> ? float arr[2,2] ;
>>
>> ? float[2][2] arr ;
>>
>>
>>
>> Question No: 14 ( Marks: 1 ) - Please choose one
>>
>> The first parameter of operator function for << operator,
>>
>> ? Must be passed by value
>>
>> ? Must be passed by reference
>>
>> ? Can be passed by value or reference
>>
>> ? Must be object of class
>>
>>
>>
>> Question No: 15 ( Marks: 1 ) - Please choose one
>>
>> Heap is constantly changing in size.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 16 ( Marks: 1 ) - Please choose one
>>
>> While calling function, the arguments are assigned to the parameters from
>>
>> ? left to right.
>>
>> ? right to left
>>
>> ? no specific order is followed
>>
>> ? none of the given options.
>>
>>
>>
>> Question No: 17 ( Marks: 1 ) - Please choose one
>>
>> Classes defined inside other classes are called ________ classes
>>
>> ? looped
>>
>> ? nested
>>
>> ? overloaded
>>
>> ? none of the given options.
>>
>>
>>
>> Question No: 18 ( Marks: 1 ) - Please choose one
>>
>> If we define an identifier with the statement #define PI 3.1415926 then
>> during the execution of the program the value of PI __________
>>
>> ? can not be replace
>>
>> ? None of the given options
>>
>> ? Remain constant.
>>
>> ? can be changed by some operation
>>
>>
>>
>> Question No: 19 ( Marks: 1 ) - Please choose one
>>
>> Which value is returned by the destructor of a class?
>>
>> ? A pointer to the class.
>>
>> ? An object of the class.
>>
>> ? A status code determining whether the class was destructed
>> correctl
>>
>> ? Destructors do not return a value.
>>
>>
>>
>> Question No: 20 ( Marks: 1 ) - Please choose one
>>
>> Every class contains _______________.
>>
>> ? Constructor
>>
>> ? Destructor
>>
>> ? Both a constructor and a destructor
>>
>> ? None of the given options
>>
>>
>>
>> Question No: 21 ( Marks: 1 ) - Please choose one
>>
>> A template function must have
>>
>> ? One or more than one arguments
>>
>> ? Only one argument
>>
>> ? Zero argument
>>
>> ? None of the given options
>>
>>
>>
>> Question No: 22 ( Marks: 1 ) - Please choose one
>>
>> Structured Query Language is used for ______________
>>
>> ? Databases Management
>>
>> ? Networks
>>
>> ? Writing Operating System
>>
>> ? none of the given options
>>
>>
>>
>> Question No: 23 ( Marks: 1 ) - Please choose one
>>
>> When a call to a user-defined function finishes, the variable defined
>> inside
>> the function is still in existence.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 24 ( Marks: 1 ) - Please choose one
>>
>> The precedence of an operator can be changed through operator overloading.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 25 ( Marks: 1 ) - Please choose one
>>
>> A Matrix can be composed of ints, floats or doubles as their elements.
>> Best
>> way is to handle this , _______________
>>
>> ? Write a separate class to handle each
>>
>> ? Use templates
>>
>> ? Use strings to store all types
>>
>> ? None of the given options
>>
>>
>>
>> Question No: 26 ( Marks: 1 ) - Please choose one
>>
>> "delete" operator is used to return memory to free store, which is
>> allocated
>> by the "new" operator.
>>
>> ? True
>>
>> ? False
>>
>>
>>
>> Question No: 27 ( Marks: 2 )
>>
>> What is the difference between switch statement and if statement.
>>
>>
>>
>> Answer:
>>
>> The if statement is used to select among two alternatives. It uses a
>> boolean
>> expression to decide which alternative should be executed. The switch
>> statement is used to select among multiple alternatives. It uses an int
>> expression to determine which alternative should be executed.
>>
>>
>>
>> Question No: 28 ( Marks: 2 )
>>
>> How can we initialize data members of contained object at construction
>> time?
>>
>>
>>
>> Answer:
>>
>> A constructor (sometimes shortened to ctor) in a class is a special type
>> of
>> subroutine called at the creation of an object. It prepares the new object
>> for use, often accepting parameters which the constructor uses to set any
>> member variables required when the object is first created.
>>
>>
>>
>> Question No: 29 ( Marks: 2 )
>>
>> How the data members of a class are initialized with meaningful values?
>>
>>
>>
>> Using new operator, a constructor is called
>>
>>
>>
>> Question No: 30 ( Marks: 2 )
>>
>> Can we overload new and delete operators?
>>
>>
>>
>> Answer:
>>
>>
>>
>> Yes, it is possible to overload new and delete operators to customize
>> memory
>> management. These operators can be overloaded in global (non-member) scope
>> and in class scope as member operators
>>
>>
>>
>> Question No: 31 ( Marks: 3 )
>>
>> What will be the output of following functions if we call these functions
>> three times?
>>
>> 1)
>>
>> void func1(){
>>
>> int x = 0;
>>
>> x++;
>>
>> cout << x << endl;
>>
>> }
>>
>> 2)
>>
>> void func2(){
>>
>> static int x = 0 ;
>>
>> x++;
>>
>> cout << x << endl ;
>>
>> }
>>
>>
>>
>> Question No: 32 ( Marks: 3 )
>>
>> What is the keyword 'this' and what are the uses of 'this' pointer?
>>
>>
>>
>> Question No: 33 ( Marks: 3 )
>>
>> Suppose an object of class A is declared as data member of class B.
>>
>> (i) The constructor of which class will be called first?
>>
>> (ii) The destructor of which class will be called first?
>>
>>
>>
>> Question No: 34 ( Marks: 5 )
>>
>> Write the general syntax of a class that has one function as a friend of a
>> class along with definition of friend function.
>>
>>
>>
>> Question No: 35 ( Marks: 5 )
>>
>> Write down the disadvantages of the templates.
>>
>>
>>
>> Question No: 36 ( Marks: 5 )
>>
>> Write a program which defines five variables which store the salaries of
>> five employees, using setw and setfill manipulators to display all these
>> salaries in a column.
>>
>> Note: Display all data with in a particular width and the empty space
>> should
>> be filled with character x
>>
>> Output should be displayed as given below:
>>
>> xxxxxx1000
>>
>> xxxxxx1500
>>
>> xxxxx20000
>>
>> xxxxx30000
>>
>> xxxxx60000
>>
>>
>>
>> --
>> --
>> Please visit www.vuzs.net For Current & Old Papers, Quizzes, Assignments
>> and
>> study material.
>> --
>> You received this message because you are subscribed to the Google
>> Groups "vuZs" group.
>> --
>> To post a new message on this group, send email to vuZs@googlegroups.com
>> --
>> Message Posting Rules:
>> http://vuzs.net/faq/4795-vuzs-google-groups-basic-rules-for-posting-messages.html
>> --
>> To unsubscribe from this group, send email to
>> vuZs+unsubscribe@googlegroups.com
>> --
>> To join this group Send blank email from your virtual university email
>> address to
>> vuZs+subscribe@googlegroups.com
>> or visit
>> http://groups.google.com/group/vuZs/subscribe
>> ---
>> For more information Contact vuZs Manager at info@vuzs.net
>>
>> --
>> Thanks to ::: vuaskari.com ::: & [Pak Youth]
>>
>
> --
> Thanks to ::: vuaskari.com ::: & [Pak Youth]
>
> --
> --
> Please visit www.vuzs.net For Current & Old Papers, Quizzes, Assignments and
> study material.
> --
> You received this message because you are subscribed to the Google
> Groups "vuZs" group.
> --
> To post a new message on this group, send email to vuZs@googlegroups.com
> --
> Message Posting Rules:
> http://vuzs.net/faq/4795-vuzs-google-groups-basic-rules-for-posting-messages.html
> --
> To unsubscribe from this group, send email to
> vuZs+unsubscribe@googlegroups.com
> --
> To join this group Send blank email from your virtual university email
> address to
> vuZs+subscribe@googlegroups.com
> or visit
> http://groups.google.com/group/vuZs/subscribe
> ---
> For more information Contact vuZs Manager at info@vuzs.net
>
> --
> --
> Please visit www.vuzs.net For Current & Old Papers, Quizzes, Assignments and
> study material.
> --
> You received this message because you are subscribed to the Google
> Groups "vuZs" group.
> --
> To post a new message on this group, send email to vuZs@googlegroups.com
> --
> Message Posting Rules:
> http://vuzs.net/faq/4795-vuzs-google-groups-basic-rules-for-posting-messages.html
> --
> To unsubscribe from this group, send email to
> vuZs+unsubscribe@googlegroups.com
> --
> To join this group Send blank email from your virtual university email
> address to
> vuZs+subscribe@googlegroups.com
> or visit
> http://groups.google.com/group/vuZs/subscribe
> ---
> For more information Contact vuZs Manager at info@vuzs.net
>
> --
> Thanks to ::: vuaskari.com ::: & [Pak Youth]
>
--
Thanks to ::: vuaskari.com ::: & [Pak Youth]
--
--
Please visit www.vuzs.net For Current & Old Papers, Quizzes, Assignments and study material.
--
You received this message because you are subscribed to the Google
Groups "vuZs" group.
--
To post a new message on this group, send email to vuZs@googlegroups.com
--
Message Posting Rules: http://vuzs.net/faq/4795-vuzs-google-groups-basic-rules-for-posting-messages.html
--
To unsubscribe from this group, send email to vuZs+unsubscribe@googlegroups.com
--
To join this group Send blank email from your virtual university email address to
vuZs+subscribe@googlegroups.com
or visit
http://groups.google.com/group/vuZs/subscribe
---
For more information Contact vuZs Manager at info@vuzs.net
--
--
Please visit www.vuzs.net For Current & Old Papers, Quizzes, Assignments and study material.
--
You received this message because you are subscribed to the Google
Groups "vuZs" group.
--
To post a new message on this group, send email to vuZs@googlegroups.com
--
Message Posting Rules: http://vuzs.net/faq/4795-vuzs-google-groups-basic-rules-for-posting-messages.html
--
To unsubscribe from this group, send email to vuZs+unsubscribe@googlegroups.com
--
To join this group Send blank email from your virtual university email address to
vuZs+subscribe@googlegroups.com
or visit
http://groups.google.com/group/vuZs/subscribe
---
For more information Contact vuZs Manager at info@vuzs.net
No comments:
Post a Comment