Definition of Computer Networks

Computer Network is a collection of computer along with other supporting components are connected to each other into a single unit with the use of communication media. Signal information in computer networks to move through communications media (wires or radio waves in the air), allowing users to access another computer / exchange of data / documents, it can print on the same printer and together using hardware / software that is connected in a network them. Each computer, printer or peripherals connected to a network called "nodes". And every computer networks have several nodes, tens, hundreds, thousands and even millions of nodes. Computers are being used for work that is not connected to another computer called "standalone", while the computer is used for work that is connected to the computer and other equipment in a group called "network / network".

  There are several terms that are often referred to in the computer network such as: networking, internetworking, and Internet and others. As for the so-called Networking / system network is a way of (system) to create a computer-computers can be interconnected and can regulate the use of existing data sources in the network. Whereas internetworking is a way of (system) to create local networks hubngan establish a broader network. Of course we know if the network is not going to take the internet with a term which is a worldwide network of kompter giant ata (global)