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  2. Memory card reader - Wikipedia

    en.wikipedia.org/wiki/Memory_card_reader

    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 ...

  3. Card reader - Wikipedia

    en.wikipedia.org/wiki/Card_reader

    A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...

  4. Realtek - Wikipedia

    en.wikipedia.org/wiki/Realtek

    EGA graphic card with Realtek RTG3101. The increasing popularity of HD media players in 2009 led to the entry of Realtek into that market. The first series, the 1xx3 models [a] sold at a lower price than similar quality chipsets of Realtek's competitors. (The main competitors were the Sigma Media Players.)

  5. CCID (protocol) - Wikipedia

    en.wikipedia.org/wiki/CCID_(protocol)

    CCID ( chip card interface device) protocol is a USB protocol that allows a smartcard to be connected to a computer via a card reader using a standard USB interface, without the need for each manufacturer of smartcards to provide its own reader or protocol. [1] This allows the smartcard to be used as a security token for authentication and data ...

  6. xD-Picture Card - Wikipedia

    en.wikipedia.org/wiki/XD-Picture_Card

    2009. The xD-Picture Card is an obsolete form of flash memory card, used in digital cameras made by Olympus, Fujifilm, and Kodak during the 2000s. The xD in the xD-Picture Card stands for eXtreme Digital. xD cards were manufactured with capacities of 16 MB [a] up to 2 GB. [b] [1] The standard was phased out in the late 2000s in favour of the SD ...

  7. SD card - Wikipedia

    en.wikipedia.org/wiki/SD_card

    [citation needed] Desktop card readers are themselves embedded systems; their manufacturers have usually paid the SDA for complete access to the SD specifications. [citation needed] Many notebook computers now include SD card readers not based on USB; device drivers for these essentially gain direct access to the SD card, as do embedded systems.

  8. Square (financial services) - Wikipedia

    en.wikipedia.org/wiki/Square_(financial_services)

    It accepts credit card payments by connecting to a mobile device's audio jack. The original version consisted of a read head directly wired to a 3.5 mm audio jack, through which unencrypted, analog card information was fed to smartphones for amplification and digitization. [38] Square Reader also supports Apple Lightning on post-2018 products.

  9. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/Punched_card_input/output

    Punched card input/output. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with ...

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