What is Network?
A Network is a group of two or more devices linked together; this concept is mainly used in computers is called Computer network. In computer networks, networked computing devices pass data to each other along data connections. These connections between nodes are established using either cable media or wireless media.
The best known computer network is Internet.
There are many types of computer networks are shown below
• Local Area Networks (LANs)
• Wide Area Networks (WANs)
• Campus Area Networks (CANs)
• Metropolitan Area Networks (MANs)
• Home Area Networks (HANs)
The computers are arranged in below models
• Star Model
• Bus Model
• Ring Model
