Saturday, February 11, 2012

CS201 introduction to programming final term paper February 2012 Virtual university of Pakistan

CS201 introduction to programming final term paper February 2012 Virtual university of Pakistan


Long Question

Q1: Given is the code for a class named Coordinate.(10)

class Coordinate
{

private:

int X, Y;

public:

Coordinate()
{
X = 0;
Y = 0;
}



class Coordinate
{
friend void Displaycord();
private:

int X, Y;

public:

Coordinate()
{
X = 0;
Y = 0;
}

};





Q2: Write a program that defines a Template function named Square () which finds the square of a number and then return it. Define one variable of type int in main function and then call Square function on that. (10)

Program output should look like this:

Enter an integer value to find its Square: 6
Square of integer number is: 36

Q3: Why is it necessary to initialize a static object as the time of creation and how it is initialized ?(5)


Q4:Transform the following If-else statement into switch statement.(5)

if (x == 5)
...
else if (x == 10 || x == 11)
...
else if (x == 8)
...
else if (x == 9)
...
else
...



Q5:Read the given code and explain code functionality. (3)


Matrix :: Matrix ( const Matrix & m )
{
numRows = m.numRows ;
numCols = m.numCols ;
elements = new ( double * ) [ numRows ] ;
for ( int i = 0 ; i < numRows ; i ++ )
{
elements [ i ] = new double [ numCols ] ;
for ( int j = 0 ; j < numCols ; j ++ )
elements [ i ] [ j ] = m.elements [ i ] [ j ] ;
}
}

Hint : This function belong to a matrix class, having
Number of Rows = numRows
Number of Columns = numCols

Q6: In the following code;(3)

#include
#include
main() {

double j;

getche();

}

Is double j; an example of global variable or local variable ? Why ?


Q7: Identify and correct the error in the given code segment.(3)
main()
{
int val = 30;
int &ref = val;

&ref = &ref++;

}

Q8: Determine the output of the given program code.(2)

for (int I = 1; i<5; i++){
if ( I == 3)
continue;
cout I endl ;
}

Q9: What is the output of following code snippet.(2)

// class templates
#include
using namespace std;

template
class mypair {
T a, b;
public:
mypair (T first, T second)
{a=first; b=second;}
T getmax ();
};

template
T mypair::getmax ()
{
T retval;
retval = a>b? a : b;
return retval;
}
int main () {
mypair myobject (100, 75);
cout myobject.getmax();
system("pause");
}


Q10: How can we declare and initialize static data member of a class?(2)

Q11: When memory is allocated dynamically using new operator within the constructor of class then what is an appropriate place to de-allocate the memory?(2)

Q11: Write down the output of the following code segment? (2)

int x[10] = {0,1, 2, 3, 4, 5, 6, 7, 8, 9};
int *xptr;
xptr = &x[5];
cout *(xptr++) + 1;

MCQ
Sequence of event(s) when allocating memory using new operator is ____________.

Assignment operator is ________ associative

To avoid dangling reference, always return _________.
Which value is returned by the destructor of a class?
The functions used for dynamic memory allocation return pointer of type ______.
The function free() returns back the allocated memory got through calloc and malloc to _____ .
At the time of linking, library functions are available in the ________form.
Which of the following is NOT a preprocessor directive?
When we define an array of objects then ___________.
A constructor will create a new object with a full copy of the other object, this type of copy is known as ___________.
When an object of a class is defined inside another class then ______________.
Every stream has _________.
_________in the following options is not a method of output stream.
To perform manipulation with input/output, we have to include ________ header file
A class whose object is contained as const object, must have ____________.
By using objects as class members, _________ is achieved
The operator function will be implemented as _____, if both objects (obj1, obj2) are passed as arguments to - operator in the statement given below.
obj3 = obj1 - obj2;

ANSI stands for _________.
A template function must have at least _______________ generic data type.

Which of the following is true about operator overloading?
1-The operator works with only objects of the class in which it is overloaded.
2-The operator works with objects and primitive data types regardless of parameters.
3-The operator works with both objects and primitive data types depending on parameters.
4-The operator must have a constant and an object as parameters.
Operator overloading can be performed through__________________.
The pointer returned by the new operator points to ___________ of memory chunks allocated by the new operator.

The return type of the operator function for operator is __________.

What will be the output of following statement?

cout setfill(‘0’) setw(7) 128 ;

The operator used for casting in C is standard ________ operator.



Consider the following code segment.

struct intorDouble
{
Int ival;
Double charvar;
};

main()
{
intorDouble VAZ;
int size ;
size = sizeof(VAZ);
}

What will be the value of variable size if integer occupies 4 bytes and double occupies 8 bytes?

The file-open mode __________ is used to open a file for output and move to the end of the file.

In the statement int &x = y; compiler ______.
Which header file must be included to use the functions tolower() and toupper()?
Which one of the following functions is included in stdlib.h header file?
For one byte, there are _____ combinations of values which can be stored in computer.
Which of the following statement is best regarding declaration of friend function?
Answer- It can be declared anywhere in class as these are not affected by the public and private keywords.
The operator used for dereferencing the elements of an array using a pointer is _________.
The __________ statement forces the immediate next iteration of the loop.
A function is a block of statements (code) that can be __________.
Which of the following values are used in C/C++ to represent true and false?
Ans- 1 and 0
The dynamic memory allocation uses memory from the ____________.
In C/C++, null character is represented as ________________.



Latest cs101 final term paper February 2012 Virtual university of pakistan

Q:A term “Database” is widely used in computer world. Describe what does this term refer to? Q:Describe the applicability of Ockham's razor principle in the field of computing.

Q:Elaborate the concept of telepresence in the context of computing and write the main benefit of using it.

Q:Spreadsheet software can perform many jobs for a user. Write down any two jobs, a spreadsheet software is specifically designed to perform.

Q:There are many aspects to be considered in order to develop a good and well balanced presentation. Does proper color usage matter while developing a good presentation? Discuss with reason.

Q:Describe types of some virues?

Q:in html heading can be bold or strong?is it possible we can heading formatting?

Q:describe program develop methodology?



cs101 final term paper February 2012 Virtual university of pakistan

cs101 Introduction to programming final term paper February 2012 Virtual university of Pakistan

40 mcqs and total questions was 52 mcqs were easy but big questions were not from past papers.

= data integrity (5 marks) (page no 253 on handout, students question was not about enshuring data integrity that was about data integrity)

=(x+y)XOR z' create truth table (5 marks)

= write 4 properties of image object, 2 events and one method (5 marks)

= guidlines about presentation layout (5 marks)

= write code to print "Virtual University", a variable was initialize with value "virtual university of pakistan" (3 marks)

baki sara easy questions thay aor yaad nai itna e yad hain.

past papers k long questions na yad karain ppt slides ko parh kar concepts clear kar lain




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