1 / 10

Stefan Thorvaldsson – stefan@ywies

Computer networks. ICT InteraCT for KS3. Stefan Thorvaldsson – stefan@ywies.com. Computer networks. ICT InteraCT for KS3. What is a network?

chaney
Download Presentation

Stefan Thorvaldsson – stefan@ywies

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Computer networks ICT InteraCT for KS3 Stefan Thorvaldsson – stefan@ywies.com

  2. Computer networks ICT InteraCT for KS3 What is a network? A network is two or more computer linked together so the are able to share resources. It could be a printer, scanner, folder, software or even a connection to the Internet.You can also share data using a network. For example, a database could be accessed from any of the computers connected to the network. Stefan Thorvaldsson – stefan@ywies.com

  3. Computer networks ICT InteraCT for KS3 Key concepts The key components Advantage and disadvantage The Use of Wi-Fi and Bluetooth Communication methods Differences between LAN and WAN Stefan Thorvaldsson – stefan@ywies.com

  4. Computer networks Networks ICT InteraCT for KS3 WANWide Area Network Covers wide geographical area In lot of buildings, countries or/and cities Uses more expensive links owned by telecommunication companies More expensive LANLocal Area Network Small areaUsually located in the same building Uses cable, wire-less usually owned by organization Less expensive to build Stefan Thorvaldsson – stefan@ywies.com

  5. Computer networks Networks ICT InteraCT for KS3 Advantage You can share printers, scanners, folders, Internet Connection and more Central Back Up SpeedAccess to central data Disadvantage Might need a network manager Security problems Viruses Breakdown problems Initial costs of equipment Stefan Thorvaldsson – stefan@ywies.com

  6. Computer networks Networks ICT InteraCT for KS3 Star network Bus network Tree network How computers link to each other in a network Stefan Thorvaldsson – stefan@ywies.com

  7. Computer networks Networks ICT InteraCT for KS3 Wi-fi Enables computers and other devices to communicate wirelessly with each other. Most known as get connected to the Internet. Bluetooth Is a wireless technology to exchange data over a short distance. Can be used up to 100m depending on the strenght of the signal. Keywords WAN LAN Network Bandwidth WLAN Stefan Thorvaldsson – stefan@ywies.com

  8. Computer networks Networks ICT InteraCT for KS3 Internet A huge group of networks working together. Each network consists a lot of smaller networks. Connected to the Internet you’re a part of the largest network in the world. Keywords Internet ISP Web Stefan Thorvaldsson – stefan@ywies.com

  9. Computer networks Networks ICT InteraCT for KS3 Network relatedtopics Intranets Bridges Routers Switches Hubs Proxy servers Internet related topics Browsers URLwww HTML Stefan Thorvaldsson – stefan@ywies.com

  10. Computer networks ICT InteraCT for KS3 Activity Search on the “Web” for information about the topics Think of advantages and disadvantages in every topic Do Activity 4.2 --------- Stefan Thorvaldsson – stefan@ywies.com

More Related