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2.5 Storage - Coggle Diagram

- - - - Directly accessible to the CPU.
  - - - Contents copied to main memory before being accessed by CPU.
- - - - Function Storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions and information.
      - Examples: Internal hard disks, External hard disks.
    - - Definition: a storage media that consists of flat, round, portable disc made of metal, plastic and lacquer that is written and read by a laser.
      - Digital Video Disc (DVD) Used mainly as video and data storage. Types: DVD-ROM, DVD-R, DVD-RW
      - Compact Disc (CD) A type of optical disc used to store data, songs, drivers, and program files. Types: CD-ROM, CD-R, CD-RW
      - Blue-ray Disc (BD) A type of optical disc used to store high- definition and ultra high-definition videos and movies. Types: BD-ROM, BD-R, BD-RE
    - - Examples
        
        Memory cards Flash memory storage that users insert and remove from a slot in personal computer, smartphone, digital camera, or card reader/writer.
        
        Examples: CompactFlash Card, MicroSD Card, SD Card
        
        USB flash drive Flash memory storage that users plug in a USB port on computers or mobile devices.
      - Definition: A storage media that uses solid-state chip that maintains stored data without any external power source.
    - - Function A storage device that uses flash memory to store data, instructions and information.
      - Benefits: Faster access time, more durable & shock resistant
        (no moving parts), use less energy, hence generate less heat &
        consume less power.