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TS P Computer Science Advanced Level (A- Level) English 5 cards

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  1. 1Applications of client-server models- game servers for online gaming
    - printer sharing e.g. in an office
    - file server for sharing and accessing files
    - internet usage (ISP act as server)
  2. 2What 3 existing systems act as structural support for the internet?PSTN
    Dedicated Lines
    Cell Phone network
  3. 3How do PSTNs workConsists of switching centres that joins telephone lines for telephone networks across the world. This allows for telephones to work with one another. When a computer uses the PSTN to use the internet (dial-up connection), it dials up the switching centre to establish a connection. U
  4. 4What are dedicated lines as an existing system structural support for the internet?Communication channels that are always available (uninterrupted). Capable of hosting web sites
  5. 5How do cell phone network provide structural support for the internet?A wireless network that divides into "cells" that uses varying frequency levels to avoid interference and establish a regional connection. Portable transceivers (e.g. cellphones) can connect to the internet through this.

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Advanced Level (A- Level) Computer Science (Communication and Internet Technology) Flashcards on Untitled, created by TS P on 09/05/2016.
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