9 Computer Networks
You send an e-Mail at school and retrieve it at home? How does that happen!
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Computer networks are at the foundation of Information and Communication Technology. A good understanding of the main elements and functions of computer networks is therefore crucial. This program provides a comprehensive overview of: the world of networks; wireless LANs and mobile devices.
How E-mail works
Mr Tryhorn's Sketches
Warriors of the Net
An animation explaining the way IP packets flow on the Internet.
Simple demonstration of how a computer connected thru switch works.
How Internet Works
A Packet's Tale
How does the Internet really work? This clip lets you ride shotgun with a packet of data—one of trillions involved in the trillions of Internet interactions that happen every second. Look deep beneath the surface of the most basic Internet transaction, and follow the packet as it flows from your fingertips, through circuits, wires, and cables, to a host server, and then back again, all in less than a second.
What makes the internet run reliably?
This video investigates how data is transmitted and secured in wired, wireless and mobile networks, and how the specifications affect performance
Infographic: How Does a Computer Network Work?