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Write once read many. Write once read many (WORM) describes a data storage device in which information, once written, cannot be modified. This write protection affords the assurance that the data cannot be tampered with once it is written to the device, excluding the possibility of data loss from human error, computer bugs, or malware.
The miniSD and microSD formats do not directly support a write protection notch, but they can be inserted into full-size adapters which do. [citation needed] When looking at the SD card from the top, the right side (the side with the beveled corner) must be notched. [citation needed] On the left side, there may be a write-protection notch.
Write blocking, a subset of write protection, is a technique used in computer forensics in order to maintain the integrity of data storage devices. By preventing all write operations to the device, e.g. a hard drive, it can be ensured that the device remains unaltered by data recovery methods.
microSD→miniSD→SD→CF. The following chart gives details on availability of adapters to put a given card (horizontal) in a given slot or device (vertical). This table does not take into account protocol issues in communicating with the device. Following labels are used: + (native) – A slot is native for such card.
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.
Typically, Memory Sticks are used as storage media for a portable device, in a form that can easily be removed for access by a personal computer. For example, Sony digital compact cameras use Memory Stick for storing image files. With a Memory Stick-capable memory card reader a user can copy the pictures taken with the Sony digital camera to a ...
2400 Camino Ramon, Suite 375. San Ramon, California, U.S. Website. www.sdcard.org. The SD Association (SDA) is an American nonprofit organization that sets standards for the SD memory card format. SanDisk, Panasonic (Matsushita), and Toshiba formed the SD Association in January 2000. [1] In 2010, the SDA had approximately 1,000 member companies ...
A memory card reader is a device for accessing the data on a memory card such as a CompactFlash (CF), Secure Digital (SD) or MultiMediaCard (MMC). Most card readers also offer write capability, and together with the card, this can function as a pen drive. Some printers and Smartphones have a built-in card reader, as do many laptops and the ...