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2. SD card - Wikipedia

   en.wikipedia.org/wiki/SD_card

   Unlocked and locked SD cards Sony 64 GB SF-M Tough Series UHS-II SDXC Memory Card is one of the few cards in the market without a sliding tab on the write protect notch. Most full-size SD cards have a "mechanical write protect switch" allowing the user to advise the host computer that the user wants the device to be treated as read-only.

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. Write once read many - Wikipedia

   en.wikipedia.org/wiki/Write_once_read_many

   The SD card and microSD card spec allows for multiple forms of write-protection. The most common form, only available when using a full-size SD card, provides a physical write protection switch which allows the user to advise the host card reader to disallow write access.

5. Comparison of memory cards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_memory_cards

   PS Vita Memory Card 2012 64 GB Subcompact (15 mm × 12.5 mm × 1.6 mm [7]), compulsory DRM, up to 64 GB, proprietary (can be used on PS Vita only) P2 (storage media) Panasonic MicroP2: 2012 64 GB MicroP2 is a SDXC/SDHC card conforming to UHS-II (Ultra High Speed bus), and can be read by common SDHC/SDXC card readers. xD: Olympus, Fujifilm, Sony

6. SD Association - Wikipedia

   en.wikipedia.org/wiki/SD_Association

   Thousands of device models and hundreds of products across dozens of product categories integrate the small, removable memory cards. [2] The SD Association develops industry standards that define the next generation of SD cards and guide manufacturers in developing new products. [3] [4] [5] This strategy has made the SD memory card the most ...

7. Computer programming in the punched card era - Wikipedia

   en.wikipedia.org/wiki/Computer_programming_in...

   A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...

8. Memory card reader - Wikipedia

   en.wikipedia.org/wiki/Memory_card_reader

   The number of compatible memory cards varies from reader to reader and can include more than 20 different types. The number of different memory cards that a multi card reader can accept is expressed as x-in-1, with x being a figure of merit indicating the number of memory cards accepted, such as 35-in-1. There are three categories of card ...

9. Solid-state storage - Wikipedia

   en.wikipedia.org/wiki/Solid-state_storage

   A memory card, such as MMC and SD, is shaped to fit into a special port for the card. A USB flash drive connects via USB and is not constrained by shape and size as a card is. [2] [11] In general, an SSD uses a relatively fast interface such as Serial ATA (SATA) or PCI Express (PCIe) paired with a logical device interface such as AHCI or NVM ...