KwickClips Networks and the Internet · 43 sec · free
Which cable is the fastest?
Short answer. Fibre optic, because it carries data as pulses of light.
Which cable is cheapest for a computer lab?
Twisted pair.
Three cables
| Cable | Carries | Used for |
|---|---|---|
| Twisted pair | Electricity | School lab |
| Coaxial | Electricity | Cable TV |
| Fibre optic | Light | Backbones |
Remember
| Copper: cheap, short |
| Fibre: fast, long, costly |
Copper or glass. Which cable wins? Here are three cables. Twisted pair is cheap, for short links. Coaxial is shielded, for cable television. Fibre carries light, fastest of all. Remember. Copper is cheap. Fibre is fast but costly.
This clip is from the full lesson: Transmission Media: Wired and Wireless — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 9 Computer Applications (165), CBSE Class 12 Computer Science (083), CBSE Class 12 Computer Science (083), CBSE Class 11 Information Technology (802)
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