Octal Number Systems

Now the  question may  arise in one mind  that why  to learn  octal  number  system when  neither  human  nor the  digital  systems  uses. It  hence it is important  to mention it here that octal  number system  is used to  represent long  binary  numbers in smellers  form. For example  binary  number 1011100101112 in octal  can be  written as 5652 ( one  third  length  of the  binary  number0. Method to convert  binary  to octal is explained  below.

In octal number systems  base is it has only eight  unique digits  0.7, 0, 12, 646 are some valid  octal  numbers. Numbers  6784 is an  octal number since it has  a digit 8 which  not a  valid  octal number.