computing

computing

1. storage

   • RAM: Random-Access-Memory
   • secondary storage
     • solid state
     • magnetic
     • optical
     • virtual
   • ROM: Read-Only-Memory

2. CPU

   • cores: individual processors
     • dual cores: two processors
     • quad cores: four processors

3. input/output

   • output devices: e.g speaker,monitor
   • input devices: e.g keyboard,mouse

4. Binary

   • Binary code is written in 1's and 0's
   • e.g 1001110010

5. system security

   • firewall
     • stops any viruses for getting into the system
   • encryption
     • a layer of security like a password but more complicated
   • passwords
     • a specialised word or phrase that keeps unwanted third party's out

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