Information Technology

#include<stdio.h>

#include<conio.h>

 

void inttobin(int); //the function that will convert the integer value to binary

 

main(){

       int n, count;

       //array of small letters

       char sletter[27] = "abcdefghijklmnopqrstuvwxyz";

       //array of big letters

       char bletter[27] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

       

       //check the int value of small letters from a to z

       for(count = 0; count<26; count++){             

            n=sletter[count]; //get int value of a characters

            printf("%c = %d = ",sletter[count],n ); //print a character and its integer value

            inttobin(n);//calls function to convert integer value to binary and prints it

            printf("\n");

       }

       

       printf("\nThe Big Letters\n\n");

       

       //check the int value of BIG letters from A to Z

       for(count = 0; count<26; count++){             

            n=bletter[count];//get int value of a characters

            printf("%c = %d = ",bletter[count],n );//print a character and its integer value

            inttobin(n);//calls function to convert integer value to binary and prints it

            printf("\n");

       }

            

       getch(); //i don't know, it's my practice so the program won't terminate immediately after running.

       return 0;

       }

 

//code for int to bin       

void inttobin(int n){

     /*

       >This function convert the integer parameter to binary and displays the results

       >The binary is stored on the array bin[] defined inside this function

       >This function only converts integer value form 1 to 127

     */

     

       char bin[7]; //the array of char that will represent the binary value

       int count;

       //check if the integer value is divisible by 64  

       if((n/64)==1){

            bin[0]='1'; //if TRUE, set the 64 value in binary array by seting it 1

            n=n%64;     //set n to n mod 64 for futher computation          

       }

       else{bin[0]='0';}//if FALSE, set it as 0

       

       //check if the integer value is divisible by 32   

       if((n/32)==1){

             bin[1]='1'; //if TRUE, set the 32 value in binary array by setting it 1

             n=n%32;     //set n to n mod 32 for futher computation                   

       }

       else{bin[1]='0';}//if FALSE, set is as 0

        

      //the same process will continue until... 

       if((n/16)==1){ //***16***

            bin[2]='1';

            n=n%16;              

       }

       else{bin[2]='0';}

       

      //until....   

       if((n/8)==1){  //***8***

            bin[3]='1';

            n=n%8;              

       }

       else{bin[3]='0';}

       

       //wait for it...

       if((n/4)==1){  //***4***

            bin[4]='1';

            n=n%4;              

       }

       else{bin[4]='0';}

       //almost there...  

       if((n/2)==1){  //***2***

            bin[5]='1';

            n=n%2;              

       }

       else{bin[5]='0';}

       //Tadah!!! it reaches the last binary digit which represent the integer 1 

       if((n/1)==1){//***1***

            bin[6]='1';

            n=n%1;              

       }

       else{bin[6]='0';}

       

       //after the binary array is set, the function will output the produced string of binary digit  

       for(count=0;count<7;count++){

           printf("%c ",bin[count]);

       }

 

}