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  2. Flash memory - Wikipedia

    en.wikipedia.org/wiki/Flash_memory

    Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for the NOR and NAND logic gates. Both use the same cell design, consisting of floating-gate MOSFETs. They differ at the circuit level depending on ...

  3. Memory card - Wikipedia

    en.wikipedia.org/wiki/Memory_card

    The basis for memory card technology is flash memory. [2] It was invented by Fujio Masuoka at Toshiba in 1980 [3] [4] and commercialized by Toshiba in 1987. [5] [6] The development of memory cards was driven in the 1980s by the need for an alternative to floppy disk drives that had lower power consumption, had less weight and occupied less ...

  4. Non-volatile memory - Wikipedia

    en.wikipedia.org/wiki/Non-volatile_memory

    Flash memory is a solid-state chip that maintains stored data without any external power source. It is a close relative to the EEPROM; it differs in that erase operations must be done on a block basis, and its capacity is substantially larger than that of an EEPROM. Flash memory devices use two different technologies—NOR and NAND—to map data.

  5. USB flash drive - Wikipedia

    en.wikipedia.org/wiki/USB_flash_drive

    A flash drive (also thumb drive, memory stick, and pen drive/pendrive) [1] [note 1] is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, rewritable, and smaller than an optical disc, and usually weighs less than 30 g (1 oz).

  6. Computer memory - Wikipedia

    en.wikipedia.org/wiki/Computer_memory

    Examples of non-volatile memory are flash memory and ROM, PROM, EPROM, and EEPROM memory. Examples of volatile memory are dynamic random-access memory (DRAM) used for primary storage and static random-access memory (SRAM) used mainly for CPU cache. Most semiconductor memory is organized into memory cells each storing one bit (0 or 1).

  7. Mass storage - Wikipedia

    en.wikipedia.org/wiki/Mass_storage

    Flash memory (in particular, NAND flash) has an established and growing niche in high performance enterprise computing installations. Flash memory has also long been popular as removable storage such as USB sticks, where it de facto makes up the market. Flash dominates in cell phones. [14] [15] Tape is predominantly used for archival storage [16]

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  9. External storage - Wikipedia

    en.wikipedia.org/wiki/External_storage

    A USB flash drive, also variously known as a, thumb drive, pen drive, jump drive, disk key, disk on key, flash-drive, memory stick or USB memory, is a data storage device that includes flash memory with an integrated USB interface.

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