FLASH MEMORY<br />A<br />PRESENTATION FOR<br />IT FOR MANAGEMENT<br />UNDER GUIDANCE OF <br />Prof.<br /> SANJAY GUPTA<br />
FLASH MEMORY<br /><ul><li>Flash memory is non-volatile computer memory that can be electrically erased and reprogrammed
Non-volatile = that can retain information even when not powered
There are two main types of Flash Memory :
NOR Flash
NAND Flash
Flash Memory stores information in an array of floating gates transistors
Flash transistors are similar to standard MOS transistors except that they have two gates instead of just one :
On top is the control gate
Below is the floating gate</li></li></ul><li>
Invented By<br />A professor at Tohoku University<br />Invented in 1984<br />How did the word flash emerge<br />First laun...
Flash memory classification<br /><ul><li>Nor Flash</li></ul>        Introduced in 1988 by Intel<br />        Random access...
Images: flash memory<br />
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Flash Drives

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its a presentation on the types and utilities of Flash drives/Pen drives

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Flash Drives

  1. 1. FLASH MEMORY<br />A<br />PRESENTATION FOR<br />IT FOR MANAGEMENT<br />UNDER GUIDANCE OF <br />Prof.<br /> SANJAY GUPTA<br />
  2. 2. FLASH MEMORY<br /><ul><li>Flash memory is non-volatile computer memory that can be electrically erased and reprogrammed
  3. 3. Non-volatile = that can retain information even when not powered
  4. 4. There are two main types of Flash Memory :
  5. 5. NOR Flash
  6. 6. NAND Flash
  7. 7. Flash Memory stores information in an array of floating gates transistors
  8. 8. Flash transistors are similar to standard MOS transistors except that they have two gates instead of just one :
  9. 9. On top is the control gate
  10. 10. Below is the floating gate</li></li></ul><li>
  11. 11. Invented By<br />A professor at Tohoku University<br />Invented in 1984<br />How did the word flash emerge<br />First launch by Intel<br />Fujio Masuoka<br />
  12. 12. Flash memory classification<br /><ul><li>Nor Flash</li></ul> Introduced in 1988 by Intel<br /> Random access<br /> Endurance cycle<br /><ul><li>Nand Flash</li></ul> Introduced in 1987 by Toshiba<br /> Endurance cycle <br /> Secondary Storage device<br />
  13. 13. Images: flash memory<br />
  14. 14. Working of Flash Memory<br />
  15. 15. Types of Flash Memory<br />There are many different flash memory types available on the market. Some of them are the size of a penny, and others as big as a credit card<br /><ul><li>Secure Digital (SD Card)
  16. 16. USB Flash Memory
  17. 17. Smart Media Cards
  18. 18. Compact Flash
  19. 19. Memory Stick </li></li></ul><li>Applications<br /><ul><li> Serial Flash.
  20. 20. Flash memory as a replacement for hard drives.
  21. 21. Flash memory is very useful in a variety of applications including.</li></ul>   Memory Sticks <br /> PCMCIA memory cards<br /> MP3 Players<br />
  22. 22. Advantages of Flash Memory<br />The advantages of flash memory as compared with HDDs are substantial. <br />They are:- <br /><ul><li>Performance
  23. 23. Cost
  24. 24. Reliability
  25. 25. Size
  26. 26. Low power consumption</li></li></ul><li>Disadvantages<br /><ul><li>Comparative high Cost per unit
  27. 27. Block erasure
  28. 28. Memory wear</li></li></ul><li>Key Players<br /><ul><li>Transcend
  29. 29. Kingston
  30. 30. San Disk</li></li></ul><li>CONCLUSION<br />

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