This week was my favourite week because this topic is very interesting and I like computer networking system.
What is networking?
Networking is a group of computers and other devices
connected in some ways so that they can exchange data and information. In order to make a computer networking system
we should have communication media, interconnecting devices, computers, network
software and applications.
When we get these three conditions our computer
network will be successful:
Ø
Topology: physical layout of the
network
Ø
Protocol: is a set of rules and
instructions
Network medium
Network medium is the
There are two types of network medium
Ø
Physical medium: it is also called
wired medium. There are a number of different types of network wires such as
twisted pair cables, coaxial cables, fiber-obtic cables, etc.
Ø
Wireless medium: is a modern medium
without wire. This medium uses electromagnetic waves such as microwave system,
infrared technology, satellite system, etc.
Types
of network
There are a number of network types
Ø
Network in a small geographical
area called LOCAL AREA NETWORK LAN
Ø
Network in a city called
METROPOLITAN AREA NETWORK MAN
Ø
Network across countries and globe
called WIDE AREA NETWORK WAN
Peer
to peer network
In peer to peer network computer are considered
similar and no one has higher access period than the other.
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