﻿C program

# C program

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• Last Post 05 September 2018
JohnBuencuses posted this 05 September 2018

Guys i didn't know what is the logic behind this prob. So i think i must post this in this group hehe , i hope somebody can solve this , using C programming Create a program that will convert Decimal to Binary 16 bit WITHOUT using math.h

I hope somebody can help me. Tiaaa

admin posted this 05 September 2018

You can try

``````#include <stdio.h>

int main()
{
unsigned int n, c, k;

printf("Enter an integer in decimal number system\n");
scanf("%d", &n);

printf("%d in binary number system is:\n", n);

for (c = 15; c >= 0; c--)
{
k = n >> c;

if (k & 1)
printf("1");
else
printf("0");
}

printf("\n");
return 0;
}``````

or

``````#include<stdio.h>
#include<conio.h>

void binary(unsigned int);

void main()
{
unsigned int number;
printf("Enter Decimal Number: ");
scanf("%u",&number);
binary(number);
getch();
}

void binary(unsigned int number)
{
unsigned int mask=32768;//mask = [1000 0000 0000 0000]
printf("Binary: ");

while(mask > 0)
{
if((number & mask) == 0 )
printf("0");
else
printf("1");
mask = mask >> 1 ; // Right Shift
}
}``````

As you know, An integer number can be represented by 16 bits. To convert the decimal number into binary, you should check first MSB bit of number, if it is 1 then display '1' otherwise display '0'.

I hope you can solve your problem Close 