Network

By: Juan F Peñaherrera

Network is.

• A computer network is a group of computers and devices connected by communication channels .The 3 types of network are LAN , Wan , Man .

Network advantage

• Share information – Networks allows authorized user to share data and information stored on other computers of the network.

• Share hardware and software – Computers connected to a network can share equipment like printers, modems etc. They also can share software. This helps to avoid high duplication costs.

• Share internet: Networks can share a single Internet connection. This facilitates communication. People can communicate efficiently and easily via e-mail, instant messages, chat rooms, and videoconferencing.

LAN

• LOCAL AREA NETWORK• A computer network that physically links two

or more computers within a geographic limited area such as a building.

• The linked computers are called workstations.

WAN

• WIDE AREA NETWORKS (WAN)• • Wide Area Networks (WANs) connect larger

geographic areas, such as countries.

MAN

• METROPOLITAN AREA NETWORKS (MAN) • A Metropolitan Area Network (MAN) covers

larger geographic areas, such as cities.