Fluency with IT

1
(No Transcript)
2
Internet services(recap)

• Voice circuit switched networks (tel)
• Data packet switched networks
• Packet small chunk of data (efficiency)
• Protocols rules for communication
• Network, TCP/IP
• Application, DNS (names), HTTP (web)

3
The web
4
The web
Tim Berners-Lee

• CERN
• Conseil Européen pour la Recherche Nucléaire

5
A link (URL)
http//www.cs.uleth.ca/benkoczi/1000/index.html
http//www.cbc.ca/musicandcompany/latestshow.html
6
Source for data on web server

• File (servers hard drive)
• Sophisticated data base
• Ex youtube.com

http//youtube.com/watch?vsO_KILnJdHw
7
Source for data on web server

• File (servers hard drive)
• Sophisticated data base
• Ex youtube.com

http//youtube.com/watch?vsO_KILnJdHw
http//ca.youtube.com/results?search_queryhopese
arch_type