1.
_________ is a data communication system spanning states, countries or the whole world.
2.
__________ is a set of rules that governs data communication.
3.
Read the following statements:

Statement: 1. A LAN may have more than thousands of users.
Statement: 2. A WAN may have more than thousands of users.
Statement: 3. MAN are larger than LAN but smaller than WAN.Which one of the following is correct about the above statement(s)?
4.
Communication between a computer and a keyboard involves ______ transmission.
5.
______ is a collection of many separate networks.