Storage ICT GCSE
Storage and Memory <ul><li>Memory or RAM (Random Access Memory) </li></ul><ul><ul><li>It is used for temporary storage of ...
What am I? <ul><li>I can store up 650 or 700 megabytes of data </li></ul><ul><li>You can only read data not write to me </...
CD-ROM
What am I? <ul><li>I can store up 650 or 700 megabytes of data </li></ul><ul><li>You can write to me </li></ul><ul><li>You...
CD-RW
What am I? <ul><li>I can store up 650 or 700 megabytes of data </li></ul><ul><li>You can write to me </li></ul><ul><li>You...
CD-R
What am I? <ul><li>I can usually store about 4.7 gigabytes of data </li></ul><ul><li>You can only read data not write to m...
DVD-ROM
What am I? <ul><li>I can usually store about 4.7 gigabytes of data </li></ul><ul><li>You can write to me </li></ul><ul><li...
DVD-/+R
What am I? <ul><li>I come in a variety of sizes </li></ul><ul><li>I use solid state memory (no moving parts) </li></ul><ul...
USB Flash Drive
What am I? <ul><li>I come in a variety of sizes </li></ul><ul><li>You can write to me </li></ul><ul><li>I can be used on a...
External Hard Drive
What am I? <ul><li>I come in a variety of sizes </li></ul><ul><li>You can write to me </li></ul><ul><li>I live inside a co...
Hard Disk Drive
What am I? <ul><li>I can usually store 1.44 megabytes of data </li></ul><ul><li>You can write to me </li></ul><ul><li>I ca...
Floppy Disk
What am I? <ul><li>I can store large amount of data (several gigabytes) </li></ul><ul><li>You can write to me </li></ul><u...
DST/DLT/DAT Tape
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Storage

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Storage

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

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