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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. HP-41C - Wikipedia

    en.wikipedia.org/wiki/HP-41C

    HP-41C series. The HP-41C series are programmable, expandable, continuous memory handheld RPN calculators made by Hewlett-Packard from 1979 to 1990. The original model, HP-41C, was the first of its kind to offer alphanumeric display capabilities. Later came the HP-41CV and HP-41CX, offering more memory and functionality.

  5. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/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 computer card punches and ...

  6. Smart card application protocol data unit - Wikipedia

    en.wikipedia.org/wiki/Smart_card_application...

    In the context of smart cards, an application protocol data unit ( APDU) is the communication unit between a smart card reader and a smart card. The structure of the APDU is defined by ISO/IEC 7816 -4 Organization, security and commands for interchange. [ 1]

  7. Common Access Card - Wikipedia

    en.wikipedia.org/wiki/Common_Access_Card

    Common Access Card. A Common Access Card (CAC). The common access card, also commonly referred to as the CAC, is the standard identification for active duty United States defense personnel. The card itself is a smart card about the size of a credit card. [ 1] Defense personnel that use the CAC include the Selected Reserve and National Guard ...

  8. Chip Authentication Program - Wikipedia

    en.wikipedia.org/wiki/Chip_Authentication_Program

    The Chip Authentication Program (CAP) is a MasterCard initiative and technical specification for using EMV banking smartcards for authenticating users and transactions in online and telephone banking. It was also adopted by Visa as Dynamic Passcode Authentication (DPA). [ 1] The CAP specification defines a handheld device ( CAP reader) with a ...

  9. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    As with Adobe Acrobat, Nitro PDF Pro's reader is free; but unlike Adobe's free reader, Nitro's free reader allows PDF creation (via a virtual printer driver, or by specifying a filename in the reader's interface, or by drag-'n-drop of a file to Nitro PDF Reader's Windows desktop icon); Ghostscript not needed. PagePlus: Proprietary: No