Digital communication is based on numeric codes. At the lowest level we are talking about simple 1s and 0s - 'ons' and 'offs'. This is called a 'binary system' because it uses only two values (the 'decimal system' you use in your daily life uses 10 values from 0 to 9)....
The Internet is the communications network that lies behind your computer and connects you to the outside world.
In the beginning, it was a few computers connected together in one building and swapping text messages....
In the beginning, it was a few computers connected together in one building and swapping text messages....