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Storage Devices. 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.

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Presentation on theme: "Storage Devices. 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."— Presentation transcript:

1 Storage Devices

2 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.

3 Magnetic devices

4 Magnetic Devices

5 Optical Devices

6 Solid State Devices

7 Amazon warehouse

8 Wal-mart warehouse

9 Small Press Warehouse

10 Performance related specs. Access Speed Capacity Life-time Price per byte

11 Byte? Bit? 1 Byte = 8 bits 1 Byte = 10101010 If one byte is a letterA, then the computer sees 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 Each song average weights 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 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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