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Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
Storage
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Storage

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Transcript

  • 1. Storage ICT GCSE
  • 2. Storage and Memory
    • Memory or RAM (Random Access Memory)
      • It is used for temporary storage of data and programs that are currently in use
      • It is fast, however the data is only stored while the computer is on (it is volatile)
    • Storage (or Backing Storage)
      • Allows you to store data permanently, (even when the computer is turned off)
      • Much larger, RAM is usually not large enough to store large files
  • 3. What am I?
    • I can store up 650 or 700 megabytes of data
    • You can only read data not write to me
    • You can read me using a laser
  • 4. CD-ROM
  • 5. What am I?
    • I can store up 650 or 700 megabytes of data
    • You can write to me
    • You can wipe me and use me again
    • You can write to me using a laser
  • 6. CD-RW
  • 7. What am I?
    • I can store up 650 or 700 megabytes of data
    • You can write to me
    • You can only write to me once
    • You can write to me using a laser
  • 8. CD-R
  • 9. What am I?
    • I can usually store about 4.7 gigabytes of data
    • You can only read data not write to me
    • You can read me using a laser
  • 10. DVD-ROM
  • 11. What am I?
    • I can usually store about 4.7 gigabytes of data
    • You can write to me
    • You can only write to me once
    • You can write to me using a laser
  • 12. DVD-/+R
  • 13. What am I?
    • I come in a variety of sizes
    • I use solid state memory (no moving parts)
    • You can write to me
    • I can be used on any computer with USB support
    • You don’t have to wipe me to use me again
  • 14. USB Flash Drive
  • 15. What am I?
    • I come in a variety of sizes
    • You can write to me
    • I can be used on any computer with USB support
    • I have moving parts inside me
    • You don’t have to wipe me to use me again
  • 16. External Hard Drive
  • 17. What am I?
    • I come in a variety of sizes
    • You can write to me
    • I live inside a computer
    • I have moving parts inside me
    • You don’t have to wipe me to use me again
  • 18. Hard Disk Drive
  • 19. What am I?
    • I can usually store 1.44 megabytes of data
    • You can write to me
    • I can be unreliable
    • I am portable
  • 20. Floppy Disk
  • 21. What am I?
    • I can store large amount of data (several gigabytes)
    • You can write to me
    • I am very slow
    • I don’t have to be stored near a computer
  • 22. DST/DLT/DAT Tape

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