Initial commit

2019-11-15 12:59:38 +01:00
parent 40a414d210
commit b880c3ccde
6814 changed files with 379441 additions and 0 deletions
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+Program to convert decimal no. to binary, gray code & its
+
+It is an program to convert an decimal no. entered by the user into its equivalent binary no.,
+gray code& excess3 code useful in the microelectronics.
+
+Code :
+/* Program to convert decimal no.
+ to its equivalent binary ,gray code & excess3 code
+
+*/
+#include<iostream.h>
+#include<conio.h>
+int deci,bits=0,deci_x3,bits_x3;
+int array[100][20];
+int array1[100][20];
+int array2[100][20];
+void binary(int [100][20],int,int,int);
+void gray(int);
+void display(int);
+int find_bits(int);
+
+void main()
+{
+textcolor(GREEN);
+textbackground(BLUE);
+clrscr();
+cout<<"Enter the no. upto which gray code and excess 3 code is to be
+generated :  ";
+cin>>deci;
+bits=find_bits(deci);
+deci_x3=deci+3;
+bits_x3=find_bits(deci_x3);
+for(int i2=0;i2<=deci;i2++)
+{
+for(int j2=0;j2<=bits;j2++)
+{
+array[i2][j2]=0;
+array1[i2][j2]=0;
+}
+}
+array2[0][bits_x3-1]=1;
+array2[0][bits_x3-2]=1;
+for( i2=1;i2<=deci_x3;i2++)
+{
+for(int j2=0;j2<=bits_x3;j2++)
+{
+array2[i2][j2]=0;
+}
+}
+cout<<"    DECI NO.       BINARY EQ.         GRAY CODE       EXCESS 3";
+cout<<endl<<"-------------------------------------------------------------
+--";
+display(0);
+getch();
+for(int i=1;i<=deci;i++)
+{
+binary(array,i,bits,0);
+gray(i);
+binary(array2,i,bits_x3,1);
+display(i);
+getch();
+}
+}
+
+
+void binary(int array_bin[20][20],int i,int bits2,int flag)
+{
+int ix;
+if(flag==1)
+ix=i+3;
+else
+ix=i;
+array_bin[i][bits2-1]=(array_bin[i-1][bits2-1]==0?1:0);
+for(int k1=2,i1=2;k1<=bits2;k1++,i1*=2)
+{
+if((ix/i1)%2==0)
+array_bin[i][bits2-k1]=0;
+else
+array_bin[i][bits2-k1]=1;
+}
+}
+
+
+
+void gray(int i)
+{
+		  //FIXING THE HIGHEST ORDER BIT FIRST
+array1[i][0]=array[i][0];
+for(int j=1;j<bits;j++)
+{
+if((array[i][j-1]==0&&array[i][j]==0)||(array[i][j-1]==1&&array[i][j]==1))
+array1[i][j]=0;
+else
+array1[i][j]=1;
+}
+}
+
+void display(int m)
+{
+cout<<endl;
+if(m<=9)
+cout<<"    "<<m<<"                "   ;
+else
+cout<<"    "<<m<<"               "   ;
+for(int j=0;j<bits;j++)
+cout<<array[m][j];
+cout<<"               " ;
+for( j=0;j<bits;j++)
+cout<<array1[m][j];
+cout<<"             ";
+for( j=0;j<bits_x3;j++)
+cout<<array2[m][j];
+}
+
+
+
+int find_bits(int m)
+{
+int k,bits1=0;
+do
+{
+bits1++;
+ k=1;
+for(int i=1;i<=bits1;i++)
+k=k*2;
+}
+while(k<=m);
+return(bits1);
+}
+
+