



Hardware refers to the physical components of a system, such as the memory, hard disk drive, graphic card, sound card, central processing unit, motherboard, monitor, adapter card, and ethernet cable.

A network is the union of two or more computers so that they are able to share
resources
Size
pan
lan
man
wan
vpn

Topology
common bus topology
star network topology
ring network topology
free topology
mesh network topology

Technology
Point-to-point
Multipoint
Diffusion

Connection
Guided media Wired
Twisted pair cable
Coaxial cable
Fiber optics
Unguided Media
Radio network
Infrared network
Microware net
Ownership
Private Network
Public Network
Funtionality
Client-server network
Pear-to-pear network