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UNIT A451: Computing Hardware: Secondary Storage

UNIT A451: Computing Hardware: Secondary Storage. Storage and Memory. You are a spy You have broken into the secret enemy compound You have 15 seconds to memorise the code. CIA FBI KGB DNA BBC UK CNN USA. CI AFB IKG BDN ABB C UKC NNU SA. How many can you remember. Learning Outcomes.

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UNIT A451: Computing Hardware: Secondary Storage

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  1. UNIT A451: Computing Hardware:Secondary Storage

  2. Storage and Memory

  3. You are a spyYou have broken into the secret enemy compoundYou have 15 seconds to memorise the code

  4. CIA FBI KGB DNA BBC UK CNN USA CI AFB IKG BDN ABB C UKC NNU SA

  5. How many can you remember

  6. Learning Outcomes • Explain the need for secondary storage • Be aware of a range of storage devices • Select suitable storage devices and storage media • Know which storage device to use for saving or storing Saturday, 11 October 2014

  7. IS50004A

  8. A bit – the smallest measure of memory A

  9. Task How many different ways are there to save / store information Compare what information you could or could not store - for example a telephone number on A3 paper would be a waste.

  10. Storage devices Optical (e.g. CD and DVD for data storage) Magnetic media (e.g. internal and external hard disk drives (HDD), tape) Solid State Drives (SSD), Memory cards, i.e. flash memory devices Network (e.g. routers, modems) Cloud storage

  11. Task • Draw one of these storage devices • Line up in order of size • Think about the advanatges of the device for storage • Line up again • Think about the dis-advanatges of the device for storage • Line up • Which is the best device? Saturday, 11 October 2014

  12. IS50004A

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