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  2. Herman Hollerith - Wikipedia

    en.wikipedia.org/wiki/Herman_Hollerith

    Herman Hollerith (February 29, 1860 – November 17, 1929) was a German-American statistician, inventor, and businessman who developed an electromechanical tabulating machine for punched cards to assist in summarizing information and, later, in accounting.

  3. 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 ...

  4. History of computing hardware - Wikipedia

    en.wikipedia.org/wiki/History_of_computing_hardware

    The paper tape could be changed without changing the mechanical design of the loom. This was a landmark achievement in programmability. His machine was an improvement over similar weaving looms. Punched cards were preceded by punch bands, as in the machine proposed by Basile Bouchon.

  5. Scratchpad memory - Wikipedia

    en.wikipedia.org/wiki/Scratchpad_memory

    Some architectures such as PowerPC attempt to avoid the need for cacheline locking or scratchpads through the use of cache control instructions.Marking an area of memory with "Data Cache Block: Zero" (allocating a line but setting its contents to zero instead of loading from main memory) and discarding it after use ('Data Cache Block: Invalidate', signaling that main memory didn't receive any ...

  6. Scrapbooking - Wikipedia

    en.wikipedia.org/wiki/Scrapbooking

    This video is an example of how to create a page for the new and modern day scrapbooker. Marielen Wadley Christensen (pronounced as the names "Mary Ellen"), of Elk Ridge, Utah, United States (formerly of Spanish Fork, Utah) is credited with turning scrapbooking from what was once just the ages-old hobby into the actual industry containing businesses devoted specifically to the manufacturing ...

  7. Big Chief tablet - Wikipedia

    en.wikipedia.org/wiki/Big_Chief_tablet

    In the poem "Remembrance" by Ray Bradbury the author tells of finding an old note, written in his childhood, on "Ruled paper from an old Sioux Indian Head scribble writing book." In the Waltons TV movie The Homecoming John-Boy Walton hides a Big Chief tablet he’s been using to jot down his thoughts.

  8. Keypunch - Wikipedia

    en.wikipedia.org/wiki/Keypunch

    Punch cards were stepped across the punch one column at a time, and the appropriate punches were activated to create the holes, resulting in a distinctive "chunk, chunk" sound as columns were punched. Both machines could process 51-, 60-, 66-, and 80-column cards. [20] The 026 could print the punched character above each column.

  9. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/Punched_card_input/output

    An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. 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.

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