Computing Revision

Computing Revision

1. Networks

   • Client networks
     • Number Of Computers connected to a hub or server
     • Most data is stored on this server/hub
     • a school computer is an example of this
       • Login Data inputted by user
         • Server searches for users data/ desktop data and displays it to the users computer display
     • Advantages
       • Centralised Security and backup
       • Faster Access
       • Better Password Security
       • Users can share data under centralised control
     • Disadvantages
       • Central point of failure
       • Administer required to manage servers and networks
       • server and software required
       • can be expensive
   • Peer To Peer Networks
     • Used in a household
     • Two or more computers sharing files
     • no server connection so all data must be stored on computer hard drives

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