computer science ka rev

computer science ka rev

1. Networks

   • advantages
   • disadvantages
   • types of networks
     • ring
       • cheap to install
       • no collision
       • high chance of catastrophic failure
       • difficult to add new computers
     • star
       • low chance of collision
       • easy to add computers
       • low chance of catastrophic failure
       • expensive
       • if switch fails, whole thing does
     • bus
       • cheap to install
       • easy to add computers
       • high chance of catastrophic failure
       • data collisions are common
       • the bigger the network the slower it goes
     • mesh
       • messages sent quicker
   • WAN
   • LAN