Computer Shop Management System

 
/*
		 &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
		 & COMPUTER SCIENCE PROJECT WORK &
		 &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
 
	      SOFTWARE FOR THE USE IN COMPUTERS SHOP
 
		      ***INTRODUCTION***
 
		 /////////////////////////////
		    NAME:- BHAVISHAY NIGAM
		   CLASS:- XII   SEC:- 'N.M'
			ROLL NO:- '8'
		 /////////////////////////////
 
		      ####################
		      #  STAR COMPUTERS  #
		      ####################
 
/*
		      ### HEADER FILES ###
*/
#include<fstream.h>    //for reading and writing files
#include<conio.h>      //for clrscr()
#include<string.h>     //for string characters
#include<stdio.h>      //for gets and puts function
#include<process.h>    //for exit function
#include<iomanip.h>    //for setw function
#include<dos.h>        //for delay and sleep function
#include<graphics.h>   //for textcolor & textbackground
 
      class consumer
		{
		int cno;
		char cname[20];
		char adress[20];
		int a,b,c;
		float i;
		public:
 
      //FUNCTION TO ENTER THE VALUES
 
		public:
 
      void entry()
		{
		clrscr();
		textcolor(RED);
		gotoxy(32,4);
		cputs("S.T.A.R COMPUTERS");
		gotoxy(5,8);
		cputs("Customer ID :");
		gotoxy(5,10);
		cputs("Customer name :");
		gotoxy(5,12);
		cputs("Customer adress :");
		gotoxy(5,14);
		cputs("Customer Service number :");
		gotoxy(5,16);
		cputs("Costumer Smart card number :");
		gotoxy(5,18);
		cputs("Costumer Phone number :");
		gotoxy(5,20);
		cputs("Customer Bill number :");
		gotoxy(45,8);
		cin>>cno;
		gotoxy(45,10);
		gets(cname);
		gotoxy(45,12);
		gets(adress);
		gotoxy(45,14);
		cin>>a;
		gotoxy(45,16);
		cin>>b;
		gotoxy(45,18);
		cin>>c;
		gotoxy(45,20);
		cin>>i;
		}
 
      //FUNCTION TO DISPLAY THE VALUES
 
      void display()
		    {
		    cout<<"\n\n";
		    gotoxy(5,8);
		    cputs("Customer ID :");
		    cout<<cno;
		    gotoxy(5,10);
		    cputs("Customer name :");
		    puts(cname);
		    gotoxy(5,12);
		    cout<<"Customer adress :"<<adress;
		    gotoxy(5,14);
		    cout<<"Customer Service number :" <<a;
		    gotoxy(5,16);
		    cout<<"Costumer Smart card number :"<<b;
		    gotoxy(5,18);
		    cout<<"Costumer Phone number :"<<c;
		    gotoxy(5,20);
		    cout<<"Customer Bill number :"<<i<<"\n";
		    }
      int rcno()
      {
      return cno;
      }
      }c;
 
      //FUNCTION TO WRITE THE VALUES
 
      void write()
		{
		char ch;
		consumer c;
		fstream f1;
		c.entry();
		f1.open("main.dat",ios::app|ios::binary);
		cout<<"\n\n\tDO you want to save the record(y/n)\t";
		cin>>ch;
		if(ch=='y')
		{
		f1.write((char*)&c,sizeof(c));
		}
		f1.close();
		}
 
	  //FUNCTION TO READ THE VALUES
 
      void read()
		{
		consumer c;
		fstream f1;
		f1.open("main.dat",ios::in|ios::binary);
		while(!f1.eof())
		{
		f1.read((char*)&c,sizeof(c));
		c.display();
		if(f1.eof())
		{
		cout<<"\n\n   End of the file reached\n\n";
		}
		}
		f1.close();
		}
 
      //FUNCTION FOR SEARCHING THE RECORD
 
      void search()
		{
		consumer c;
		int rn;
		char found='n';
		ifstream f1("main.dat",ios::in);
		cout<<"\n\n Enter Customer ID you want to SEARCH :\t";
		cin>>rn;
		while(!f1.eof())
		{
		f1.read((char*)&c,sizeof(c));
		if(c.rcno()==rn)
		{
		c.display();
		found='y';
		break;
		}
		}
		if(found=='n')
		cout<<"\n\n\tRECORD NOT FOUND!!!!!!!!!!!!!\n"<<endl;
		f1.close();
		}
 
      //FUNCTION TO DELELTE THE RECORD
 
      void del()
		{
		ifstream f1("main.dat",ios::in);
		ofstream f2("temp.dat",ios::out);
		int rno;
		char found='f',confirm='n';
		cout<<"\n\n Enter Customer ID you want to DELETE :\t";
		cin>>rno;
		while(!f1.eof())
		{
		f1.read((char*)&c,sizeof(c));
		if(c.rcno()==rno)
		{
		c.display();
		found='t';
		cout<<"\n\n Are you sure want to DELETE this record ? (y/n)\t";
		cin>>confirm;
		if(confirm=='n')
		f2.write((char*)&c,sizeof(c));
		}
		else
		f2.write((char*)&c,sizeof(c));
		}
		if(found=='f')
		cout<<"\n\n\tRECORD NOT FOUND\n";
		f1.close();
		f2.close();
		remove("main.dat");
		rename("temp.dat","main.dat");
		f1.open("main.dat",ios::in);
		clrscr();
		cout<<"\n\n\n Now the file contains\n\n\n";
		while(!f1.eof())
		{
		f1.read((char*)&c,sizeof(c));
		if(f1.eof())
		c.display();
		}
		f1.close();
		}
 
      //FUNCTION TO MODIFY THE RECORD
 
      void update()
		{
		fstream f1("main.dat",ios::in | ios::out | ios::binary);
		int rno;
		long pos;
		char found='f';
		cout<<"\n\n Enter the Customer ID you want to MODIFY :\t";
		cin>>rno;
		while(!f1.eof())
		{
		pos=f1.tellg();
		f1.read((char*)&c,sizeof(c));
		if(c.rcno()==rno)
		{
		c.entry();
		f1.seekg(pos);
		f1.write((char*)&c,sizeof(c));
		found='t';
		break;
		}
		}
		if(found=='f')
		cout<<"\n\n\tRECORD NOT FOUND\n";
		f1.seekg(0);
		clrscr();
		cout<<"\n Now the file contains\n\n";
		c.display();
		f1.close();
		getch();
		}
 
      //STARTING OF THE VOID MAIN
 
	void main()
		{
		textbackground(LIGHTBLUE);
		unsigned int sum,add,d,j,e,f,g,h,k,l,w,x,y,z,choice;
		int abis=0,apep=0,aden=0,amun=0,aperk=0,acoc=0,atit=0,alux=0,atid=0,aree=0;
		unsigned int m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;
		int pend=0,print=0,graph=0,ram=0,hard=0,win=0,ant=0,p1=0,p2=0,g1=0,r1=0,h1=0,w1=0,an1=0,mo=0,mous=0,web=0,aweb=0,asc=0,scan=0,total=0;
		char pu,str[10],yes,et;
		clrscr();
 
	// WELCOME SCREEN
 
	clrscr();
	lab:;
	clrscr();
	cout<<"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t  The legendary\n";
	cout<<"\n\n\t\t\t\t MICHAEL JACKSON\n\n\n";
	cout<<"\t\t\t\t   King of POP\n\n\n";
	cout<<"\t\t\t    Born On -: 29 AUGUST ,GARY,INDIANA\n\n\n";
	cout<<"\t\t\t    Died On -: 25 JUNE ,LOS ANGELES\n\n\n";
	cout<<"\t     OCCUPATION -: DANCER,BUSSINESS MAN,SONG WRITER,SINGER,ACTOR\n\n\n";
	getch();
	clrscr();
	cout<<"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t WELCOME\n\n";
	cout<<"\t\t\t\t   TO\n\n";
	cout<<"\t\t\t\t   THE\n\n";
	cout<<"\t\t\t       WORLD OF C++\n";
	getch();
	clrscr();
	pass:;
	cout<<"\n\n\tPLEASE BE CAREFUL ENTER THE PASSWORD IN SMALL LETTERS\n";
	cout<<"\n\t\tPASSWORD DOES NOT CONTAINS ANY NUMBER\n\n\n";
	cout<<"\n\n\t\t\tEnter your Password\t";
	str[0]=getch();
	cout<<"*";
	str[1]=getch();
	cout<<"*";
	str[2]=getch();
	cout<<"*";
	str[3]=getch();
	cout<<"*";
	str[4]=getch();
	cout<<"*";
	str[5]=getch();
	cout<<"*";
	str[6]=getch();
	cout<<"*";
	str[7]='\0';
	cout<<"*";
	if(strcmp(str,"michael")==0)
	{
	cout<<"\n\n\n\t\tPLEASE WAIT WHILE LOADING THE PROJECT";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(150);
	cout<<".";
	delay(200);
	}
	else
	{
	cout<<"\n\n\t\t\t$$$$$$ Ooop's wrong password $$$$$$\n";
	cout<<"\n\n\t\t\t%%%%%% Please re-enter the password%%%%%%\n";
	getch();
	k++;
	//getch();
	if(k==3)
	{
	cout<<"\nExiting from the project!!!!! Bye\n";
	getch();
	exit(0);
	}
	goto pass;
	}
	textcolor(RED);
	clrscr();
	gotoxy(1,6);
	textcolor(MAGENTA);
	 cputs("                          COMPUTER SCIENCE PROJECT WORK                         \n");
	printf("                                                                                \n");
	printf("********************************************************************************");
	textcolor(BLACK+WHITE+BLINK);
	cout<<"\n";
	cputs ("                         WELCOME TO THE S.T.A.R COMPUTERS                       \n");
	printf("********************************************************************************\n");
	printf("********************************************************************************\n");
	gotoxy(2,21);
	textcolor(GREEN);
	 cputs("                   SCHOOL:-COLUMBIA FOUNDATION SEN.SEC SCHOOL                   ");
	 gotoxy(2,22);
	 cputs("                              D-BLOCK  VIKAS PURI                               ");
	 cout<<"\n";
	printf("********************************************************************************\n");
	printf("********************************************************************************\n");
	gotoxy(1,29);
	textcolor(BROWN);
	 cputs("                        SUBJECT TEACHER:-MR.NAVEEN GUPTA                        \n");
	 cout<<"\n\n";
	printf("********************************************************************************\n");
	printf("********************************************************************************\n");
	gotoxy(1,37);
	textcolor(LIGHTGRAY);
	 cputs("                              BY:- BHAVISHAY NIGAM                             \n");
	 gotoxy(1,39);
	 cputs("                              CLASS:- XII NON MED                              \n");
	 gotoxy(1,41);
	 cputs("                              ROLL NO:- (8)EIGHT                               \n");
	 gotoxy(1,43);
	 cputs("                              YEAR:- 2010-2011                                 \n");
	 cout<<"\n\n";
	printf("********************************************************************************\n");
	printf("********************************************************************************\n");
	cout<<"\n\n";
	textcolor(LIGHTCYAN+BLINK);
	gotoxy(45,48);
	cputs("PRESS ENTER TO CONTINUE!!!!!!");
	getch();
	clrscr();
 
		//DETAILS OF THIS PROJECT
 
	gotoxy(25,10);
	textcolor(RED);
	cputs("WELCOME TO THE WORLD OF COMPUTERS .");
	gotoxy(5,15);
	cputs("THIS PROJECT CONTAINS SOME ITEMS AND SIMPLE THING YOU HAVE TO DO IS:-");
	gotoxy(5,17);
	cputs("ENTER THE NAME , CUSTOMER ID , SERIAL NUMBER , SMART CARD NUMBER etc.");
	gotoxy(5,19);
	cputs("THEN PURCHASE THE ITEMS AND REMEMBER THE QUANTITY ITEMS CARRY.");
	gotoxy(5,21);
	cputs("YOU CAN ALSO MODIFY , DELETE , SEARCH A RECORD.");
	gotoxy(5,23);
	cputs("YOU CAN ALSO ALL RECORDS YOU HAVE ENTERED IN YOUR COMPUTER.");
	gotoxy(5,25);
	cputs("BUT DO NOT EXPECT FOR ANY DISCOUNT.");
	gotoxy(5,27);
	cputs("WE HOPE THAT YOU WILL BE SATISFIED WITH OUR SERVICE.");
	gotoxy(5,29);
	cputs("WE ARE NOT RESPONSIBLE FOR ANY DEFECT IN THE PRODUCT YOU PURCHASE.");
	getch();
	clrscr();
 
 //LOADING THE PROJECT
 
	gotoxy(32,13);
	textcolor(LIGHTGREEN);
	cputs("********************");
	gotoxy(32,15);
	cputs("LOADING YOUR PROJECT");
	gotoxy(32,17);
	cputs("********************");
	gotoxy(32,20);
	textcolor(MAGENTA+BLINK);
	cputs("PLEASE WAIT.........");
	textcolor(RED+GREEN);
	delay(500);
	gotoxy(32,35);
	cputs("10 % completed..");
	delay(500);
	gotoxy(32,35);
	cputs("20 % completed...");
	delay(500);
	gotoxy(32,35);
	cputs("30 % completed....");
	delay(500);
	gotoxy(32,35);
	cputs("40 % completed.....");
	delay(500);
	gotoxy(32,35);
	cputs("50 % completed......");
	delay(500);
	gotoxy(32,35);
	cputs("60 % completed.......");
	delay(500);
	gotoxy(32,35);
	cputs("70 % completed........");
	delay(500);
	gotoxy(32,35);
	cputs("80 % completed.........");
	delay(500);
	gotoxy(32,35);
	cputs("90 % completed..........");
	delay(500);
	gotoxy(32,35);
	cputs("100 % completed...........");
	delay(500);
 
			// TO PURCHASE ,SEARCH ,MODIFY ,DELETE ,DISPLAY ALL RECORDS ,DETAILS ,NEW CUSTOMER
 
		again:;
		clrscr();
		textbackground(LIGHTBLUE);
		textcolor(GREEN);
		cout<<"\n\t\t\t    ^^^^^^^^^^^^^^^^^^^^^^^^^^^";
		cout<<"\n\t\t\t    !=========================!\n";
		cout<<"\n\t\t\t    !**** S.T.A.R CANTEEN ****!\n";
		cout<<"\n\t\t\t    !=========================!";
		cout<<"\n\t\t\t    ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n\n\n\n";
		cout<<"  \t\t\t$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$";
		cout<<"\n\n\t\t\t*     1.NEW CUSTOMER              *";
		cout<<"\n\n\t\t\t*     2.DETAILS                   *";
		cout<<"\n\n\t\t\t*     3.SEARCH A RECORD           *";
		cout<<"\n\n\t\t\t*     4.DELETE A RECORD           *";
		cout<<"\n\n\t\t\t*     5.MODIFY A RECORD           *";
		cout<<"\n\n\t\t\t*     6.DISPLAY ALL RECORDS       *";
		cout<<"\n\n\t\t\t*     7.QUANTITY AVAILABLE        *";
		cout<<"\n\n\t\t\t*     0.EXIT                      *\n";
		cout<<"\n\t\t\t$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$";
		cout<<"\n\n\n\n\t Enter your choice :\t";
		cin>>d;
		switch(d)
		{
 
	case 1:
 
		clrscr();
		textcolor(WHITE);
		cout<<"\n\n\n\t\t\t S.T.A.R  COMPUTERS";
		cout<<"\n\n\n\t\t\t COSUMER INFORMATION";
 
	// TO ENTER THE DETAILS OF THE COSTUMER
 
		write();
 
	// ITEMS AND THIER RATES
		start:
		cout<<"\n\n\nDO YOU WANT TO PURCHASE(Y/N):\n\n";
		cin>>pu;
		if(pu=='Y'||pu=='y')
		{
		clrscr();
 
	// PURCHASE LIST
 
		items:;
		cout<<"\n\t\t\t\t*************";
		cout<<"\n\t\t\t\tPURCHASE LIST";
		cout<<"\n\t\t\t\t*************\n\n\n\n";
		cout<<"\n\n\t\t\t1.PENDRIVE";
		cout<<"\n\n\t\t\t2.SCANNER";
		cout<<"\n\n\t\t\t3.PRINTER";
		cout<<"\n\n\t\t\t4.WEBCAM";
		cout<<"\n\n\t\t\t5.GRAPHIC CARD";
		cout<<"\n\n\t\t\t6.RAM";
		cout<<"\n\n\t\t\t7.HARD DISK";
		cout<<"\n\n\t\t\t8.WINDOWS ORIGINAL CD'S";
		cout<<"\n\n\t\t\t9.ANTIVIRUS";
		cout<<"\n\n\t\t\t10.MOUSE";
		cout<<"\n\n\n\t\t\tEnter your choice\t";
		cin>>choice;
		if(choice==1)
		{
 
	//ITEMS AND RATES
 
		bis:;
		clrscr();
		cout<<"\n\n\t\t\t\tPENDRIVES\n\n";
		cout<<"\n     ITEMS\t\t\t\t\tRATE\n";
		cout<<"\n  1. 2GB\t\t\t\t\t350\n";
		cout<<"  2. 4GB\t\t\t\t\t500\n";
		cout<<"  3. 5GB\t\t\t\t\t700\n";
		cout<<"  4. 8GB\t\t\t\t\t800\n";
		cout<<"  5. 16GB\t\t\t\t\t1800\n";
		cout<<"  6. 32GB\t\t\t\t\t2400\n";
		cout<<"  7. 64GB\t\t\t\t\t3000\n";
		cout<<"\n\n\tWhich PENDRIVE you want to purchase\t";
		cin>>p1;
		if(p1==1)
		{
		pend=350;
		}
		else if(p1==2)
		{
		pend=500;
		}
		else if(p1==3)
		{
		pend=700;
		}
		else if (p1==4)
		{
		pend=800;
		}
		else if(p1==5)
		{
		pend=1800;
		}
		else if(p1==6)
		{
		pend=2400;
		}
		else if(p1==7)
		{
		pend=3000;
		}
		else if(p1==0)
		{
		goto items;
		}
		else if(p1!=1||p1!=2||p2!=3||p1!=4||p1!=5||p1!=6||p1!=7)
		{
		cout<<"\n\n\tOOPS!!!!!!!  Wrong choice\n\n";
		getch();
		goto bis;
		}
		cout<<"\n\tPENDRIVE(MAX 5): \t";
		cin>>m;
		if(m>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
		getch();
		goto items;
		}
		else
		abis=1000-m;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==2)
		{
		pep:;
		clrscr();
		cout<<"\n\n\t\t\t\tSCANNER\n\n";
		cout<<"\n    ITEMS\t\t\t\tRATE\n";
		cout<<"\n  1.FLATBED\t\t\t\t5000\n";
		cout<<"  2.SHETFED\t\t\t\t6000\n";
		cout<<"  3.PHOTO SCANNER\t\t\t4500\n";
		cout<<"  4.FILM SCANNER\t\t\t8000\n";
		cout<<"  5.PORTABLE SCANNER\t\t\t10000\n";
		cout<<"\n\n\tWhich SCANNER do you want to purchase\t";
		cin>>scan;
		if(scan==1)
		{
		asc=5000;
		}
		else if(scan==2)
		{
		asc=6000;
		}
		else if(scan==3)
		{
		asc=4500;
		}
		else if(scan==4)
		{
		asc=8000;
		}
		else if(scan==5)
		{
		asc=10000;
		}
		else if(scan==0)
		{
		goto items;
		}
		else if(scan!=1||scan!=2||scan!=3||scan!=4||p1!=5)
		{
		cout<<"\n\n\tOOPS!!!!!!!  Wrong choice\n\n";
		getch();
		goto pep;
		}
		cout<<"\n\n\tSCANNER(MAX 5):\t ";
		cin>>n;
		if(n>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
		getch();
      goto items;
		}
		else
		apep=1000-n;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==3)
		{
		den:;
		clrscr();
		cout<<"\n\n\t\t\t\tPRINTER\n\n";
		cout<<"\n     ITEMS\t\t\t\tRATE\n";
		cout<<"\n  1. HP Laser jet\t\t\t2000\n";
		cout<<"  2. DOT Matrix Printer\t\t\t500\n";
		cout<<"\n\n\tWhich PRINTER you want to purchase\t";
		cin>>p2;
		if(p2==1)
		{
		print=500;
		}
		else if(p2==2)
		{
		print=2000;
		}
		else if(p2==0)
		{
		goto items;
		}
		else if(p2!=1||p2!=2)
		{
		cout<<"\n\n\tOOPS!!!!!!!  Wrong choice\n\n";
		getch();
		goto den;
		}
		cout<<"\n\tPRINTER(MAX 5):\t ";
		cin>>o;
		if(o>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
      goto items;
		}
		else
		aden=110-o;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==4)
		{
		mun:;
		clrscr();
		cout<<"\n\n\t\t\t\tWEBCAM\n\n";
		cout<<"\n    ITEMS\t\t\t\t\tRATE\n";
		cout<<"\n  1.5 PIXEL\t\t\t\t\t1500\n";
		cout<<"  2.8 PIXEL\t\t\t\t\t6000\n";
		cout<<"  3.12 PIXEL\t\t\t\t\t12000\n";
		cout<<"\n\n\tWhich WEBCAM you want to purchase\t";
		cin>>web;
		if(web==1)
		{
		aweb=1500;
		}
		else if(web==2)
		{
		aweb=6000;
		}
		else if(web==3)
		{
		aweb=12000;
		}
		else if(web==0)
		{
		goto items;
		}
		else if(web!=1||web!=2||web!=3)
		{
		cout<<"\n\n\tOOPS!!!!!!!  Wrong choice\n\n";
		getch();
		goto mun;
		}
		cout<<"\n\n\tWEBCAM(MAX 5):\t ";
		cin>>p;
		if(p>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
		getch();
		goto items;
 
		}
		else
		amun=1000-p;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==5)
		{
		park:;
		clrscr();
		cout<<"\n\n\t\t\t\tGRAPHIC CARD\n\n";
		cout<<"\n     ITEMS\t\t\t\t\tRATE\n";
		cout<<"\n  1. 32 bit\t\t\t\t\t5000\n";
		cout<<"  2. 64 bit\t\t\t\t\t8000\n";
		cout<<"\n\n\tWhich GRAPHIC CARD you want to purchase\t";
		cin>>g1;
		if(g1==1)
		{
		graph=5000;
		}
		else if(g1==2)
		{
		graph=8000;
		}
		else if(g1==0)
		{
		goto items;
		}
		else if(g1!=1||g1!=2)
		{
		cout<<"\n\n\tOOPS!!!!!!!  Wrong choice\n\n";
		getch();
		goto park;
		}
		cout<<"\n\tGRAPHIC CARD(MAX 5):\t ";
		cin>>q;
		if(q>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
		getch();
		goto items;
		}
		else
		aperk=500-q;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==6)
		{
		coco:;
		clrscr();
		cout<<"\n\n\t\t\t\tRAM\n\n";
		cout<<"\n     ITEMS\t\t\t\t\tRATE\n";
		cout<<"\n  1. 1GB\t\t\t\t\t2000\n";
		cout<<"  2. 2GB\t\t\t\t\t4000\n";
		cout<<"\n\n\tWhich RAM you want to purchase\t";
		cin>>r1;
		if(r1==1)
		{
		ram=2000;
		}
		else if(r1==2)
		{
		ram=4000;
		}
		else if(r1==0)
		{
		goto items;
		}
		else if(r1!=1||r1!=2)
		{
		cout<<"\n\n\tOOPS!!!!!!!  Wrong choice\n\n";
		getch();
		goto coco;
		}
		cout<<"\n\tRAM(MAX 2): ";
		cin>>r;
		if(r>2)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 2";
		getch();
      goto items;
		}
		else
		acoc=400-r;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==7)
		{
		titan:;
		clrscr();
		cout<<"\n\n\t\t\t\tHARD DISK\n\n";
		cout<<"\n     ITEMS\t\t\t\t\tRATE\n";
		cout<<"\n  1. 20GB\t\t\t\t\t1500\n";
		cout<<"  2. 50GB\t\t\t\t\t2000\n";
		cout<<"  3. 80GB\t\t\t\t\t3000\n";
		cout<<"  4. 160GB\t\t\t\t\t5000\n";
		cout<<"  5. 320GB\t\t\t\t\t8000\n";
		cout<<"\n\n\tWhich HARD DISK you want to purchase\t";
		cin>>h1;
		if(h1==1)
		{
		hard=1500;
		}
		else if(h1==2)
		{
		hard=2000;
		}
		else if(h1==3)
		{
		hard=3000;
		}
		else if(h1==4)
		{
		hard=5000;
		}
		else if(h1==5)
		{
		hard=8000;
		}
		else if(h1==0)
		{
		goto items;
		}
		else if(h1!=1||h1!=2||h1!=3||h1!=4||h1!=5)
		{
		cout<<"\n\n\tOOPS!!!!!!!  Wrong choice\n\n";
		getch();
		goto titan;
		}
		cout<<"\n\tHARD DISK(MAX 5):\t ";
		cin>>s;
		if(s>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
		getch();
      goto items;
		}
		else
		atit=100-s;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
 
		}
		if(choice==8)
		{
		lux:;
		clrscr();
		cout<<"\n\n\t\t\t\tWINDOWS ORIGINAL CD'S\n\n";
		cout<<"\n     ITEMS\t\t\t\tRATE\n";
		cout<<"\n  1. 98\t\t\t\t\t1500\n";
		cout<<"  2. 2000\t\t\t\t2000\n";
		cout<<"  3. XP\t\t\t\t\t4000\n";
		cout<<"  4. VISTA\t\t\t\t8000\n";
		cout<<"  5. windows7\t\t\t\t11000\n";
		cout<<"\n\n\tWhich WINDOWS CD you want to purchase\t";
		cin>>w1;
		if(w1==1)
		{
		win=1500;
		}
		else if(w1==2)
		{
		win=2000;
		}
		else if(w1==3)
		{
		win=4000;
		}
		else if(w1==4)
		{
		win=8000;
		}
		else if(w1==5)
		{
		win=11000;
		}
		else if(w1==0)
		{
		goto items;
		}
		else if(w1!=1||w1!=2||w1!=3||w1!=4||w1!=5)
		{
		cout<<"\n\n\tOOPS!!!!!!!Wrong choice\n\n";
		getch();
		goto lux;
		}
		cout<<"\n\tWINDOWS ORIGINAL CD(MAX 5):\t ";
		cin>>t;
		if(t>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
		getch();
		goto items;
		}
		else
		alux=1000-t;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==9)
		{
		tid:;
		clrscr();
		cout<<"\n\n\t\t\t\tANTIVIRUS\n\n";
		cout<<"\n     ITEMS\t\t\t\tRATE\n";
		cout<<"\n  1. NORTON\t\t\t\t1500\n";
		cout<<"  2. AVIRA\t\t\t\t1200\n";
		cout<<"  3. QUICKHEAL\t\t\t\t1300\n";
		cout<<"\n\n\tWhich ANTIVIRUS you want to purchase\t";
		cin>>an1;
		if(an1==1)
		{
		ant=1500;
		}
		else if(an1==2)
		{
		ant=1200;
		}
		else if(an1==3)
		{
		ant=1300;
		}
		else if(an1==0)
		{
		goto items;
		}
		else if(an1!=1||an1!=2||an1!=3)
		{
		cout<<"\n\n\tOOPS!!!!!!!Wrong choice\n\n";
		getch();
		goto tid;
		}
		cout<<"\n\tANTI VIRUS(MAX 5): ";
		cin>>u;
		if(u>5)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 5";
		getch();
		goto items;
		}
		else
		atid=1000-u;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;
		}
		else
		{
		clrscr();
		goto cash;
		}
		}
		if(choice==10)
		{
		ree:;
		clrscr();
		cout<<"\n\n\t\t\t\tMOUSE\n\n";
		cout<<"\n    ITEMS\t\t\t\tRATE\n";
		cout<<"\n  1.BALL MOUSE\t\t\t\t150\n";
		cout<<"  2.LASER MOUSE\t\t\t\t300\n";
		cout<<"\n\n\tWhich MOUSE do you want to purchase\t";
		cin>>mous;
		if(mous==1)
		{
		mo=150;
		}
		else if(mous==2)
		{
		mo=300;
		}
		else if(mous==0)
		{
		goto items;
		}
		else if(mous!=1||mous!=2)
		{
		cout<<"\n\n\tOOPS!!!!!!!Wrong choice\n\n";
		getch();
		goto ree;
		}
		cout<<"\n\tMOUSE(MAX 2):\t ";
		cin>>v;
		if(v>2)
		{
		cout<<"\n\n\tEnter Quantity Smaller than 2";
		getch();
		goto items;
		}
		else
		aree=300-v;
		cout<<"\n\tDO you want to purchase more(y/n)";
		cin>>yes;
		if(yes=='y')
		{
		clrscr();
		goto items;   //GO BACK TO PURCHASE LIST
		}
		else
		{
		clrscr();
		goto cash;    //TO DISPLAY BILL
		}
		}
		cout<<"\n\n\n";
		clrscr();
		cash:;
		cout<<"\n\n\n\n\n\n\t\t\t\t S.T.A.R COMPUTERS\n";
		cout<<"\n\n\t\t\t\t    CASH MEMO\n";
		cout<<"\n\n\n\n\n\n\n\n";
 
      //TO DISPLAY THE INFORMATION OF THE CUSTOMER
 
		c.display();
 
	//TO DISPLAY THE CASH MEMO
 
		cout<<"\n\n\n\n";
		cout<<"===============================================================================";
		cout<<"\nITEMS"            <<setw(40)<<"QUANTITY"<<setw(35)<<"PRICE(Rs.)";
		cout<<"===============================================================================";
		if(m>0)
		cout<<"\n\nPENDRIVE"            <<setw(35)<<m<<setw(28)<<"Rs."<<m*pend;
		if(n>0)
		cout<<"\n\nSCANNER"             <<setw(36)<<n<<setw(28)<<"Rs."<<n*asc;
		if(o>0)
		cout<<"\n\nPRINTER"             <<setw(36)<<o<<setw(28)<<"Rs."<<o*print;
		if(p>0)
		cout<<"\n\nWEBCAM"              <<setw(37)<<p<<setw(28)<<"Rs."<<p*aweb;
		if(q>0)
		cout<<"\n\nGRAPHIC CARD"        <<setw(31)<<q<<setw(28)<<"Rs."<<q*graph;
		if(r>0)
		cout<<"\n\nRAM"                 <<setw(40)<<r<<setw(28)<<"Rs."<<r*ram;
		if(s>0)
		cout<<"\n\nHARD DISK"           <<setw(34)<<s<<setw(28)<<"Rs."<<s*hard;
		if(t>0)
		cout<<"\n\nWINDOWS ORIGINAL CD" <<setw(24)<<t<<setw(28)<<"Rs."<<t*win;
		if(u>0)
		cout<<"\n\nANTIVIRUS"           <<setw(34)<<u<<setw(28)<<"Rs."<<u*ant;
		if(v>0)
		cout<<"\n\nMOUSE"                <<setw(38)<<v<<setw(28)<<"Rs."<<v*mo;
			e=m*pend;
			f=n*asc;
			g=o*print;
			h=p*aweb;
			k=q*graph;
			l=r*ram;
			w=s*hard;
			x=t*win;
			y=u*ant;
			z=v*mo;
		   sum=e+f+g+h+k+l+w+x+y+z;     //TOTAL BILL
		   add=m+n+o+p+q+r+s+t+u+v;     //QUANTITY OF ITEMS
		cout<<"\n===============================================================================";
		cout<<"\nTOTAL:"<<setw(38)<<add<<setw(27)<<"Rs."<<sum;
		money:;
		cout<<"\n\n\n\n\t\t\tEnter the cash paid\t";
		cin>>total;
		cout<<"\n\n\n\t\t\tCASH RECIEVED :"<<total;
		if(total<sum)
		{
		cout<<"\n\n\tThe money you paid is less !!!! Please pay more money";
		getch();
		goto money;
		}
		clrscr();
		cout<<"\n\n\n\n\n\t NO CREDIT OF THE ADDITIONAL DUTY OF";
		cout<<"\n\n\t   CUSTOMS LEVIED UNDER SECTION (5) OF";
		cout<<"\n\n\t   SECTION-3 OF THE CUSTOMS TARIFF ACT";
		cout<<"\n\n\t  1975 HAVE BEEN AVAILED/SHALL BE ADMISSABLE\n\n";
		cout<<"\n\n\n\n\n\t\tCASH RECEIVED :\t"<<total;
		cout<<"\n\n\t\tCASH AMOUNT :\t"<<sum;
		cout<<"\n\n\t\tBALANCE RETURNED :\t"<<total-sum;
		cout<<"\n\n\tTHANK YOU .\t\t\t\tVISIT US AGAIN\n";
		cout<<"\n\n\tTHANK YOU FOR USING OUR SERVICE\n\n";
		getch();
		goto again;
		}
		else
		{
		clrscr();
		getch();
		goto again;
		}
 
	 case 2:
 
		//TO DISPLAY THE CANTEEN DETAILS
 
		clrscr();
		cout<<"\n\n\n\n\n\t\t\t\tSHOP DETAILS\n\n\n";
		cout<<"\n\t%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n\n";
		cout<<"\t\t  #   TIMING: 11 AM TO 02 PM & 03 PM TO 05 PM                    \n";
		cout<<"\t\t  #   SHOP WILL CLOSED ON TUESDAY.                               \n";
		cout<<"\t\t  #   GOODS ONCE SOLD WILL NOT BE EXCHANGED/REPLACED.            \n";
		cout<<"\t\t  #   TAKE YOUR SMART CARD WITH YOU.                             \n";
		cout<<"\t\t  #   COLLECT YOUR SMART CARD & BILL AFTER PAYMENT.              \n";
		cout<<"\t\t  #   DO NOT BREAK ANY SHOP ITEMS.                               \n";
		cout<<"\t\t  #   FOR ANY COMPLAINT CONTACT THE CHAIR PERSON.                \n";
		cout<<"\t\t  #   25 YEARS OF EXPERIENCE.                                    \n";
		cout<<"\t\t  #   CHAIR PERSON :- MR. BHAVISHAY NIGAM.                       \n";
		cout<<"\t\t  #   AN ISO 9001-2000 CERTIFIED COMPANY.                        \n";
		cout<<"\t\t  #   WELL QUALIFIED STAFF MEMBERS.                              \n";
		cout<<"\t\t  #   Email :- www.star_computers.com                            \n";
		cout<<"\n\t%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n\n";
		getch();
		clrscr();
		goto again;
 
	 case 3:
 
		//TO SEARCH THE RECORDS
 
		clrscr();
		search();
		getch();
		goto again;
 
	 case 4:
 
		//TO DELETE THE RECORDS
 
		clrscr();
		del();
		getch();
		goto again;
 
	 case 5:
 
		//TO MODIFY THE RECORDS
 
		clrscr();
		update();
		getch();
		goto again;
 
	 case 6:
 
		//TO DISPLAY ALL SAVED RECORDS
 
		{
		clrscr();
		read();
		getch();
		goto again;
		}
 
	 case 7:
 
		//TO DISPLAY THE QUANTITY AVAILABLE IN THE SHOP
 
		clrscr();
		if(m>0||n>0||o>0||p>0||q>0||r>0||s>0||t>0||u>0||v>0)
		{
		cout<<"\n\t\t\tItems Avaliable in shop.\n\n\n";
		cout<<"===============================================================================";
		cout<<"\nITEMS"            <<setw(40)<<"QUANTITY";
		cout<<"\n===============================================================================";
		cout<<"\n\n\nPENDRIVE"            <<setw(37)<<abis;
		cout<<"\n\n\nSCANNER"             <<setw(38)<<apep;
		cout<<"\n\n\nPRINTER"             <<setw(38)<<aden;
		cout<<"\n\n\nWEBCAM"              <<setw(39)<<amun;
		cout<<"\n\n\nGRAPHIC CARD"        <<setw(33)<<aperk;
		cout<<"\n\n\nRAM"                 <<setw(42)<<acoc;
		cout<<"\n\n\nHARD DISK"           <<setw(35)<<atit;
		cout<<"\n\n\nWINDOWS ORIGINAL CD" <<setw(26)<<alux;
		cout<<"\n\n\nANTIVIRUS"           <<setw(36)<<atid;
		cout<<"\n\n\nMOUSE"               <<setw(40)<<aree;
		cout<<"\n*******************************************************************************";
		getch();
		goto again;
		}
		else
		{
		{
		cout<<"\n\t\t\tItems Avaliable in shop.\n\n\n";
		cout<<"===============================================================================";
		cout<<"\nITEMS"            <<setw(40)<<"QUANTITY";
		cout<<"\n===============================================================================";
		cout<<"\n\n\nPENDRIVE"             <<setw(37)<<1000;
		cout<<"\n\n\nSCANNER"              <<setw(38)<<1000;
		cout<<"\n\n\nPRINTER"        	   <<setw(37)<<110;
		cout<<"\n\n\nWEBCAM"               <<setw(39)<<1000;
		cout<<"\n\n\nGRAPHIC CARD"         <<setw(32)<<500;
		cout<<"\n\n\nRAM"                  <<setw(41)<<400;
		cout<<"\n\n\nHARD DISK"            <<setw(35)<<100;
		cout<<"\n\n\nWINDOWS ORIGINAL CD"  <<setw(26)<<1000;
		cout<<"\n\n\nANTIVIRUS"            <<setw(36)<<1000;
		cout<<"\n\n\nMOUSE"                <<setw(39)<<300;
		cout<<"\n\n*******************************************************************************";
		getch();
		goto again;
		}
 
	 case 0:
 
		//TO EXIT FROM THE PROGRAM
		clrscr();
		cout<<"\n\n\n\t\tARE YOU SURE TO EXIT FROM THE PROGRAM\t";
		cin>>et;
		if(et=='y')
		{
		goto ex;
		}
		else
		{
		goto again;
		}
		ex:;
		clrscr();
		textcolor(RED);
		sleep(1);
		clrscr();
		gotoxy(35,10);
		cout<<" THANKS ";
		sleep(1);
		clrscr();
		gotoxy(35,20);
		cout<<" THANKS ";
		sleep(1);
		clrscr();
		gotoxy(28,30);
		cout<<" THANK YOU FOR USING THE PROJECT\n\n\n\n ";
		gotoxy(35,35);
		textcolor(GREEN+BLINK);
		gotoxy(35,25);
		textcolor(RED+YELLOW);
		delay(1000);
		cputs("HAVE A NICE DAY");
		gotoxy(45,45);
		textcolor(YELLOW+BLINK);
		cputs("Press ENTER to EXIT.......");
		getch();
		exit(0);
		default:
		cout<<"OOPS!!!!!!!! Your choice is WRONG";
		getch();
		goto again;
		}
		}
		}
	 //END OF VOID MAIN
	 //END OF COMPUTERS DIRECTORY