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Storage Devices

Storage Devices. Magnetic devices. Optical Devices. Solid State Devices. Amazon warehouse. Wal -mart warehouse. Small Press Warehouse. Performance related specs. Access Speed or Access Time Capacity Life-time Price per byte. Poster Activity. Store, to store and storage.

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Storage Devices

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  1. Storage Devices

  2. Magnetic devices

  3. Optical Devices

  4. Solid State Devices

  5. Amazon warehouse

  6. Wal-mart warehouse

  7. Small Press Warehouse

  8. Performance related specs. • Access Speed or Access Time • Capacity • Life-time • Price per byte

  9. Poster Activity

  10. Store, to store and storage • I have stored my pictures in a CD. • I have to go to the store. • Your storage device isn’t working, so you need to get a new one. • Storage is an adjective • Store can be a noun. • Store can be a verb, to store.

  11. Byte? Bit? • 1 Byte = 8 bits • 1 Byte = 10101010 • We use byte to represent characters. • So, if one byte is character A, then the computer would see it like the following 8 bits 01 00 00 01.

  12. Bytes, KB, MB, GB and so on... • Bytes • 1 Kilobyte = 1000 Bytes • 1 Megabyte = 1,000 KBs • 1 Gigabyte = 1,000 MBs • 1 Terabyte = 1,000 GBs • 1 Petabyte = 1,000 TBs • 1 Exabyte = 1,000 PBs • 1 Zettabyte = 1,000 EBs • 1 Yottabyte = 1,000 ZBs

  13. How do we measure capacity? • One word: Capacity. • With 160GB of storage and up to 36 hours of music playback,2 iPod classic lets you enjoy up to 40,000 songs or 200 hours of video wherever you go.1 Eachsongaverageweights 4 MB or 0.004GB 1 Actual capacity varies by content.

  14. Global data storage calculated at 295 EBs • Mankind's capacity to store the colossal amount of information in the world has been measured by scientists. • The study, published in the journal Science, calculates the amount of data stored in the world by 2007 as 295 exabytes. • http://www.bbc.co.uk/news/technology-12419672

  15. Digital content universe to be over 1 Zettabyte in 2010 • The total amount of data stored in the world’s computers, will surpass a zettabyte.  • In just ten years’ time, the Digital Universe will grow by a factor of 44 to reach 35 zettabytes in 2020.

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