Computer Practical File for class 12

8/12/2019 Computer Practical File for class 12

1/19


2/19

This is to certify that this project has

been made by GIRISH ARORA ofclass XII Aon this topic under theguidance of our computer teacherMrs. Sangeeta mamand hasbeen completed it successfully.

Teacher signature


3/19

I would like to express my special thanks of gratitude to

my teacher Mr. Sangeeta mam as well as our principal

Mrs.S.Chatterjee who gave me the golden opportunity

to do this wonderful project, which also helped me indoing a lot of Research and I came to know about so

many new things

I am really thankful to them.

Secondly I would also like to thank my parents and

friends who helped me a lot in finishing this project

within the limited time.

I am making this project not only for marks but to also

increase my knowledge.

Thanks again to all who helped me.


4/19

Program 1: student managementsystem

Program 2: stock management Program 3: serial/episode

Program 4: clothing system

Content


5/19

Program to count upper casealphabets

Program to count blank space Program to count vowels Program to count no. of the Program to count no. of lines

starting with A

4/4/2013

Program 1#include#include

#include

#include

#include

class student

{

private:

char name[20];int roll_no;

int admin_no;

float a,b,c;

float total;

char school[30];

float percentage;

char grade[10];

void assign(){total=a+b+c;


6/19

percentage=total/3;

if(percentage>90)

strcpy(grade,"A");

else if(percentage>=80 && percentage=70 && percentage=60 && percentage>b>>c;

}

void display()

{clrscr();

assign();cout


7/19

}

};

int main()

{

clrscr();

int ch;

do

{

student s1;

s1.enter();

s1.display();

{ ofstream abc("student.txt",ios::binary);abc.write((char*)&s1,sizeof(s1));

ofstream fout("student1.txt",ios::app);

fout.write((char*)&s1,sizeof(s1));

ofstream bin("student2.dat",ios::binary);

bin.write((char*)&s1,sizeof(s1));

ofstream fin("student3.dat",ios::app);

fin.write((char*)&s1,sizeof(s1));

}

cout


8/19

4/4/13

Program 2#include

#include

#include

class stock{

int icode;

char item[20];

float price;

long int qty;

float discount;

void finddisc()

{if(qty50 && qty100)

discount=10;

}public:

void buy(){cout>icode;

coutprice;

cout>qty;finddisc();


9/19

}

void showall()

{cout


10/19

7/4/13

Program 3#include

#include

#include

#include

class serial

{

private:

int serialcode;

char title[20];float duration;

int noofepisodes;

public:

serial()

{

serialcode=0;

duration=30;

noofepisodes=10;strcpy(title,"null");

}

void newserial()

{

cout>serialcode;

coutduration;

cout>noofepisodes;

}


11/19

void dispdata()

{

cout


12/19

7/4/13

Program 4#include

#include

#include

#include

class clothing

{

char code[20];

char type[20];float price;

int size;

char material[20];

void calc_price()

{

float factor;

if(!strcmp(material,"cotton"))

factor=1;else

factor=0.75;

if(!strcmp(type,"trouser"))

price=1500*factor;

else

price=1200*factor;

}

public:clothing()

{

strcpy(code,"not assigned");

strcpy(type,"not assigned");

strcpy(material,"not assigned");

size=0;

price=0;

}void enter()


13/19

{

cout


14/19

Program to count upper case alphabets{

Iftream fin(books.txt);

While(fin.eof());

{fin.read(str,sizeof(str));

For(int i=0;i


15/19

Program to count blank space{


While(fin.eof());


For(int i=0;i


16/19

}

Program to count vowels{

Iftream fin(books.txt);While(fin.eof());


For(int i=0;i


17/19

count++;

}

Fin.close();

Cout


18/19

Fin>>word;

If(strcmp(word,the)==0)

Count++;

}

Fin.close();

Cout


19/19

Program to count no of lines startingwith A{


While(fin.eof());


For(int i=0;i

Computer Practical File for class 12

Documents

Transcript of Computer Practical File for class 12