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Decimal Number

  • Decimal number is a base 10 number because it ranges from 0 to 9, there are total 10 digits between 0 to 9. Any combination of digits is decimal number such as 223, 585, 192, 0, 7 etc.

Binary Number

  • Binary number is a base 2 number because it is either 0 or 1. Any combination of 0 and 1 is binary number such as 1001, 101, 11111, 101010 etc.
  • Let's see some binary numbers for the decimal number.
Decimal Binary
1 0
2 10
3 11
4 100
5 101
6 110
7 111
8 1000
9 1001
10 1010
 Convert Decimal to Binary in C#

Convert Decimal to Binary in C#

Decimal to Binary Conversion Algorithm

  • Step 1: Divide the number by 2 through % (modulus operator) and store the remainder in array
  • Step 2: Divide the number by 2 through / (division operator)
  • Step 3: Repeat the step 2 until the number is greater than zero
    • Let's see the C# example to convert decimal to binary.
using System;  
  public class ConversionExample  
   {  
     public static void Main(string[] args)  
      {  
       int  n, i;       
       int[] a = new int[10];     
       Console.Write("Enter the number to convert: ");    
       n= int.Parse(Console.ReadLine());     
       for(i=0; n>0; i++)      
        {      
         a[i]=n%2;      
         n= n/2;    
        }      
       Console.Write("Binary of the given number= ");      
       for(i=i-1 ;i>=0 ;i--)      
       {      
        Console.Write(a[i]);      
       }                 
      }  
  }
click below button to copy the code. By - c# tutorial - team

C# examples - Output :

Enter the number to convert:10
Binary of the given number= 1010 


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