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  2. Computer programming in the punched card era - Wikipedia

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

    A punched card is a flexible write-once medium that encodes data, most commonly 80 characters. Groups or "decks" of cards form programs and collections of data. The term is often used interchangeably with punch card, the difference being that an unused card is a "punch card," but once information had been encoded by punching holes in the card ...

  3. HP-150 - Wikipedia

    en.wikipedia.org/wiki/HP-150

    Connectivity. • Two RS-232 ports, with one supporting RS-422. • One 8-bit parallel multi-master interface bus: HP-IB, IEEE-488 standard. HP-150 (aka HP Touchscreen or HP 45611A) was a compact, powerful and innovative computer made by Hewlett-Packard in 1983. It was based on the Intel 8088 CPU and was one of the world's earliest ...

  4. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    16:9. 8,294,400. 7680 × 4320. 8K UHDTV. 4320p. 33,177,600. Many of these resolutions are also used for video files that are not broadcast. These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed ...

  5. HP 9800 series - Wikipedia

    en.wikipedia.org/wiki/HP_9800_series

    Processor based on HP 2100 with stack. Memory. 16 KB ~ 64 KB. The HP 9800 is a family of what were initially called programmable calculators and later desktop computers that were made by Hewlett-Packard, replacing their first HP 9100 calculator. It is also named "98 line".

  6. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card[ 1] or punched-card[ 2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines . Punched cards were widely used in the 20th century, where ...

  7. List of interface bit rates - Wikipedia

    en.wikipedia.org/wiki/List_of_interface_bit_rates

    Appearance. This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels. The distinction can be arbitrary between a computer bus, often closer in space, and larger telecommunications ...

  8. List of computer technology code names - Wikipedia

    en.wikipedia.org/wiki/List_of_computer...

    Igen — Uhu Linux 2.0. IIb — Apple IIc (book-sized) IIp — Apple IIc (portable) Ikki — Apple Macintosh II. Indigo — Microsoft .NET communication technologies. Indium — Lunar Linux 1.5.0. Infinite Improbability Drive — TransGaming WineX 3.3. Instatower — Apple Macintosh Performa 6400. Interface Manager — Windows 1.0.

  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 ...