SD memory card

(Secure Digital Memory Card) A flash memory card that provides storage for digital cameras, cellphones and PDAs. SD Memory Cards use the same 32x24mm form factor as the MultiMediaCard (MMC), but are slightly thicker (2.1mm vs. 1.4mm), and SD Card readers accept both formats. Introduced in 1999 by Panasonic, Toshiba and SanDisk, cards up to 2GB are available.

Learn also: Raspberry Pi Backup SD Card.



Learn more:

  • What is Smartmedia Card?
    "SmartMedia is a type of flash memory card that was mostly used in digital cameras and other portable electronic devices in the 1990s and early 2000s. SmartMedia…"
  • What Is Fixed Storage
    "Fixed storage is an internal media used by a computer to store data, and usually referred to as the Fixed Disks or Hard Drives. Fixed storage devices…"
  • External Storage Devices: Types, Advantages and Techniques
    "External storage is a term used to describe any data-keeping device, such as a disk or a stream tape, located outside the computer. Typically, the term…"


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