Number Systems and Codes (digital technique)

1. I.Biner to Decimal               
   
   
      1-bit :     0 = 0
                   1 = 1
   
   
       2-bit :    00 = 0
                    01= 1
                   10 = 2
                   11 = 3
   
   
       3-bit :    000 = 0
                   001 = 1
                   010 = 2
                   011 = 3
                   100 = 4
                   101 = 5
                   110 = 6
                   111 = 7
   
   

   
   

   
   

   4-bit : 0000 = 0

   0001 = 1

   0010 = 2

   0011 = 3

   0100 = 4

   0101 = 5

   0110 = 6

   0111 = 7

   1000 = 8

   1001 = 9

   1010 = 10

   1011 = 11

   1100 = 12

   1101 = 13

   1110 = 14

   1111 = 15