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Flash Memory & Operating Systems

Flash Memory & Operating Systems. Team Justin. History of Flash Memory. Creator Why was it created? Why “flash” memory?. Flash Memory Basics. Architecture (What is flash memory?) Types (NAND/NOR). Flash Memory. NAND/NOR. Optimizations Longevity Uses of flash memory.

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Flash Memory & Operating Systems

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  1. Flash Memory & Operating Systems • Team Justin

  2. History of Flash Memory • Creator • Why was it created? • Why “flash” memory?

  3. Flash Memory Basics • Architecture (What is flash memory?) • Types (NAND/NOR)

  4. Flash Memory

  5. NAND/NOR • Optimizations • Longevity • Uses of flash memory

  6. Practical Applications • NAND • MP3 Players, Digital Cameras, Cell Phones, USB Sticks • NOR • Security systems, Wireless Communication Devices, SSD Drives

  7. Flash vs Hard Drive • Moving Parts • Disk writing vs Electricity • Advantages and Disadvantages

  8. Hard Disk Advantages • Cost • Capacity • Faster Write Times • (Potentially) Longer Lifetime

  9. Flash Advantages • No wear/tear like hard disk • Shock resistance & Durability • Faster read times • Power consumption (generally) • Silence

  10. Plug & Play • What is Plug & Play? • Goals of Plug & Play • How does Plug & Play work?

  11. OS Enhancement • Readyboost • U3 • Booting an OS from a flash drive

  12. Security • How can data on the computer be protected? (Concern for businesses) • How can data on a flash drive be protected if it is lost or stolen?

  13. Standards • PCMCIA: Personal Computer Memory Card International Association • ZFS

  14. The Future • Will flash memory surpass hard disks at the OS level? • PRAM

  15. Primary Sources • http://www.embeddedstar.com/articles/2005/8/article20050801-2.html • http://news.tigerdirect.com/2007/01/16/understanding-flash-memory/ • http://www.tutorialsweb.com/computers/flash-memory/index.htm • http://electronics.howstuffworks.com/flash-memory.htm • http://www.hitachigst.com/

  16. Questions

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