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  2. HP-41C - Wikipedia

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

    The card reader could read magnetic cards from the earlier model HP-67. HP-67 programs were translated into HP-41C instructions, as the HP-67 and HP-41 share the same programming model and operation stack. Some instructions however were specific to the HP-67, and the card reader provided additional instructions to emulate the 67.

  3. HP-65 - Wikipedia

    en.wikipedia.org/wiki/HP-65

    HP-65. The HP-65 is the first magnetic card-programmable handheld calculator. Introduced by Hewlett-Packard in 1974 at an MSRP of $795 [ 1] (equivalent to $4,912 in 2023) [ 2], it featured nine storage registers and room for 100 keystroke instructions. It also included a magnetic card reader/writer to save and load programs.

  4. HP TouchPad - Wikipedia

    en.wikipedia.org/wiki/HP_TouchPad

    Website. www .hp .com /united-states /webos /us /en /tablet /touchpad .html. The HP TouchPad is a tablet computer that was developed and designed by Hewlett-Packard. [ 7 ] The HP TouchPad was launched on July 1, 2011, in the United States; July 15 in Canada, United Kingdom, France, Germany; and August 15 in Australia.

  5. iPAQ - Wikipedia

    en.wikipedia.org/wiki/IPAQ

    The iPAQ is a discontinued Pocket PC and personal digital assistant which was first unveiled by Compaq in April 2000. HP's line-up of iPAQ devices included PDA -devices, smartphones and GPS-navigators. A substantial number of devices were outsourced from Taiwanese HTC corporation . The name was borrowed from Compaq's earlier iPAQ Desktop ...

  6. 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 ...

  7. HP-71B - Wikipedia

    en.wikipedia.org/wiki/HP-71B

    Description. Smaller and less expensive than the preceding model HP-75, the 71B has a single-line 22-character liquid crystal display, 64K system ROM and 17.5K user memory. Priced at US$595 MSRP (US$1,700 in 2023), it operates on four AAA batteries. Four plug-in ports permits ROM-based programs or additional user memory to be added.

  8. 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 ...

  9. Smart card - Wikipedia

    en.wikipedia.org/wiki/Smart_card

    Smart card. A smart card ( SC ), chip card, or integrated circuit card ( ICC or IC card ), is a card used to control access to a resource. It is typically a plastic credit card-sized card with an embedded integrated circuit (IC) chip. [ 1] Many smart cards include a pattern of metal contacts to electrically connect to the internal chip.