4.1 CODING :

#include<iostream.h>
#include<stdio.h>
#include<conio.h>
#define port 0×0378
void draw_screen();
void main()
{
long double ch;
ch = 0;
clrscr();
outportb(port,0);
draw_screen();
while(ch<=1)
{
gotoxy(55,20);
cin>>ch;
if(ch==0)
{
outportb(port,0);
gotoxy(25,7);
cout<<”System is presently in off state”;
}
else if(ch==1)
{
outportb(port,1);
gotoxy(25,7);
cout<<”System is presently in on state “;
}
}
clrscr();
}
void draw_screen()
{
int i;
for(i=2;i<80;i++)
{
gotoxy(i,1);
putch(char(205)); //Í
gotoxy(i,24);
putch(char(205)); //Í
}
for(i=2;i<24;i++)
{
gotoxy(1,i);
putch(char(186)); //º
gotoxy(80,i);
putch(char(186)); //º
}
gotoxy(1,1);
putch(char(201)); //É
gotoxy(80,1);
putch(char(187)); //»
gotoxy(80,24);
putch(char(188)); //¼
gotoxy(1,24);
putch(char(200)); //È
gotoxy(1,5);
putch(char(199)); //Ç
gotoxy(80,5);
putch(char(182)); //¶
for(i=2;i<80;i++)
{
gotoxy(i,5);
putch(char(196));  //Ä
}
for(i=2;i<30;i++)
{
gotoxy(i,12);
putch(char(196)); //Ä
gotoxy(i,16);
putch(char(196)); //Ä
}
for(i=13;i<24;i++)
{
gotoxy(30,i);
putch(char(179)); //³
gotoxy(11,i);
putch(char(179)); //³
}
gotoxy(11,12);
putch(char(194)); //Â
gotoxy(11,24);
putch(char(207)); //Ï
gotoxy(11,16);
putch(char(197)); //Å
gotoxy(1,12);
putch(char(199)); //Ç
gotoxy(30,12);
putch(char(191)); //¿
gotoxy(1,16);
putch(char(199)); //Ç
gotoxy(30,16);
putch(char(180)); //´
gotoxy(30,24);
putch(char(207)); //Ï
gotoxy(53,19);
putch(char(201)); //É
for(i=0;i<3;i++)
{
putch(char(205)); //Í
}
putch(char(187)); //»
gotoxy(53,20);
putch(char(186)); //º
cout<<” 0 “;
putch(char(186)); //º
gotoxy(53,21);
putch(char(200)); //È
for(i=0;i<3;i++)
{
putch(char(205)); //Í
}
putch(char(188)); //¼
gotoxy(20,3);
cout<<”ARTIFICIAL INTELLIGENCE FOR BLAST FURNACE”;
gotoxy(25,7);
cout<<”System is presently in Off state”;
gotoxy(5,10);
cout<<”You can”;
gotoxy(5,14);
cout<<”Press”;
gotoxy(13,14);
cout<<”to”;
gotoxy(7,18);
cout<<”0″;
gotoxy(7,20);
cout<<”1″;
gotoxy(7,22);
cout<<”2″;
gotoxy(13,18);
cout<<”Turn System off”;
gotoxy(13,20);
cout<<”Turn system on”;
gotoxy(13,22);
cout<<”Exit”;
}