what is flash memory??

flash memory in computer!!

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  • 1 decade ago
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    Flash memory is non-volatile computer memory that can be electrically erased and reprogrammed. It is a technology that is primarily used in memory cards, and USB flash drives (thumb drives, handy drive, memory stick, flash stick, jump drive) for general storage and transfer of data between computers and other digital products. It is a specific type of EEPROM that is erased and programmed in large blocks; in early flash the entire chip had to be erased at once. Flash memory costs far less than byte-programmable EEPROM and therefore has become the dominant technology wherever a significant amount of non-volatile, solid-state storage is needed. Examples of applications include PDAs and laptop computers, digital audio players, digital cameras and mobile phones. It has also gained some popularity in the game console market, where it is often used instead of EEPROMs or battery-powered static RAM (SRAM) for game save data.

    Flash memory is non-volatile, which means that it does not need power to maintain the information stored in the chip. In addition, flash memory offers fast read access times (although not as fast as volatile DRAM memory used for main memory in PCs) and better kinetic shock resistance than hard disks. These characteristics explain the popularity of flash memory for applications such as storage on battery-powered devices. Another feature of flash memory is that when packaged in a "memory card", it is enormously durable, being able to withstand intense pressure, extremes of temperature and immersion in water.

    Although technically a type of EEPROM, the term "EEPROM" is generally used to refer specifically to non-flash EEPROM which is erasable in small blocks, typically bytes. Because an erase cycle is slow, the large size of a flash ROM's erase block can make programming it faster than old-style EEPROM.

    Source(s): Stunner ...hope this helps nd i dint bore u out !
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  • 1 decade ago

    Flash Memory

    Just to add to what has been said...

    Flash memory is a non volatile memory, Flash was used due to the fact that it reads and writes in a flash --- ore faster than the older technology of non-volatile memory like eprom/eeproms.

    It has the advantage of using single voltage, low voltage compared with eeprom in erasing and writing data into each memory cell. Previous eeproms would need UV light to erase the data written down on their memory cells.

    with the CMOS process being shrinked by Intel and Toshiba, the Flash memory has also shrunk in silicon die size, allowing for substantial space reduction and price drops. 16GB Flash disks and even 32GB flash drives are now available.

    For a computer the Flash memory has replaced the ROM memories where the boot up system was previously written. With the fast read and write times of Flash compared with ROMS (eeprom/eprom), you now get faster bootup time. Also with the small form factor and higher density memories you get a compact small form factor PC or laptop.

    hope this helps

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  • cowen
    Lv 4
    3 years ago

    (m) Flash memory shops everlasting information on some palm-sized desktops. unlike RAM (random-get right of entry to memory), flash memory can proceed to keep information interior the absence of a means source. Palm units many times hire flash memory to keep the working gadget and middle applications. unlike ROM (study-purely memory), you could write to flash memory, making it possible to replace the working gadget and applications by using application. Flash memory is extra costly than ROM.

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  • A type of memory that is usually found in USB pens, the advantage to it is that it doesn't have any moving parts so it is usually more reliable and robust and doesn't use as much power allowing for a longer battery life, but it is limited to how much it can store

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  • 1 decade ago

    The memory we use in USB pen drives!

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