Please enable JavaScript.

Coggle requires JavaScript to display documents.

IT Unit 1 - Coggle Diagram

- - - - Modern version of SCSI
      - Used in powerful computers
    - - Less expensive and less high performing as SAS
      - Used in standard desktop computers
  - - - Use magnetic disks that spin
      - Cheap per GB and are generally reliable
      - Not durable - Moving parts
    - - Uses just electronic circuits to store data
      - More expensive but are faster and more durable
      - Many SSDs use Flash memory technology, also used in portable storage
    - - Access files via the internet which is held in an off-site location
      - Easily scalable and can be accessed from anywhere
      - Needs Internet