We have to understand the meaning of 0 and 1s which are fundamentals of digital world and electronics for understanding networking basics.
It is hard to believe that, all digital inventions around us are created with using 1 and 0 s, but it is true!
We have an information and we need to transfer this information from one point to another. Despite the fact that the analog systems have been used before, nowadays all information is transferring with digitally. Transferring information with digitally means converting this information to representation of 0 and 1s.