Computer Network

By: Nicole Erazo

What is a Computer Network?

A computer network is a serie of computers and devices that are joined by communication channels.

Examples for Computer Networks

Facebook

Hi5

MSN

What are the advantages of Networking?

Share Information.

Share Hardware and Software.

Share Internet.

Share Information

Networks allow authorized people or users to see information saved in other computer connected to the network.

Share Hardware and Software

The computers connected to the network can share equipment such as: printers, moderns, etc. They can also share software. This helps to avoid duplication costs.

Share Internet

Networks can share a single internet connection. This makes it easier to communicate. People can talk efficiently via e-mail, instant message, chat rooms, or videoconferencing.

Types of Networks

There are three main types of networks:

LAN

MAN

WAN

LAN (Local Area Network)

LAN is usually used to physically link two computers within a geographical limited area such as a building. The linked computers are called workstations.

MAN (Metropolitan Area Networks)

A metropolitan area network is used to cover lager geographic areas, such as cities.

WAN (Wide Area Networks)

A wide area network is used to cover even larger geographical areas such as countries.

Bibliography

Slide 2: Information taken from notebook computer networks. Picture from: Introduction to computer networks, http://www.yevol.com/en/networking/illustrations/network1.gif

Slide 3: Information taken from notebook computer networks. Pictures from: Yale Men’s Volleyball, http://www.yale.edu/vball/facebook-logo.png; MSP, Javier Leal, http://javierleal.files.wordpress.com/2009/08/wlm-logo-260x260.jpg

Slide 4: Information taken from notebook computer networks. Picture from: DR PC SERVICES, http://www.dr-pcservices.com/design/computer_networking_icon.jpg

Slide 5: Information taken from notebook computer networks. Picture from: KNOL, http://www.gstatic.com/knol/static/images/cartoons/66017-63438.jpg

Slide 6: Information taken from notebook computer networks. Picture from: MixTech el BLoG, http://www.iconarchive.com/icons/artua/dragon-soft/Printer-512x512.png

Slide 7: Information taken from notebook computer networks. Picture taken from: Fle3 User Manual, http://fle3.uiah.fi/FLE_user_manual/screenshots/01.gif

Slide 8: Information taken from notebook computer networks. Picture taken from: NCI, http://nci-nc.com/images/computer_networking_example.gif

Slide 9: Information taken from notebook computer networks. Picture taken from: CONCEPTDRAW, http://www.conceptdraw.com/products/img/ScreenShots/cd5/network/SimpleLAN.gif

Slide 10: Information taken from notebook computer networks. Picture taken from: AT&T, http://www.business.att.com/content/product/images/ethernet_switched_Copy.gif

Slide 11: Information taken from notebook computer networks. Picture taken from: AIR-STREAM, http://www.air-stream.org.au/files/wide_area_network.gif