Computer Network Technology

by admin on July 8, 2012

What is a computer system although? Computer network is a arranged of computers, printers and other resources that link each other to share information and shifting information through cables. Numerous customers can print with the exact same ink jet printers or even use the exact same software at the exact same time. A computer which stores the main information and performs role as information center is called Host while computer systems that are connected to system and consider information from Host are called Workstations.

Numerous of Systems

1. Local Area Network (LAN)
A network that is limited through small area is commonly used through a small office in a creating or even school. Generally it’s not far from 1 km square. The majority of LAN uses wires and LAN cards to link one computer to an additional. Every computer linked to LAN has a various Internet Process Address. It is almost always abbreviated as IP Address. LAN can also be arranged up via Wireless Technologies which has speed through 10 to 10.000 Megabyte per second. Wireless LAN can use infrared or even rf.

The advantages of LAN
a. Discussing files and ink jet printers is easy to do among computer systems.
b. The risk of dropping the information caused by infections can end up being decreased.
c. If there is one computer linked to modem, all of computers can access the internet.
d. There is much room in storage system (hard disk) to store paperwork.
e. Documents saved in server can end up being accessed through client computers with an authorization. The agreement can be made in accordance to company’s framework business.

2. Metropolitan Area Network (MAN)
This sort of network normally has a larger area compared to LAN or this can include a network of some LAN that are linked one to an additional. The example of MAN is a network that’s constructed in a broad complex of university.

3. Wide Area Network (WAN)
WAN is a type of network that’s usually constructed through satellite television or sub cable technology. The example of WAN is actually a Bank network in a capital which can share information along with a area bank system. These people can additionally hold a meeting with video conference via Internet.

The advantages of WAN:
a. We can send documents or documents via electronic postal mail (email) rather of sending documents manually through publish office.
b. A network Server in Headquarter can be a data financial institution from department office.
c. The information of a company can end up being updated everyday in accordance to necessity.

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