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  2. Probe card - Wikipedia

    en.wikipedia.org/wiki/Probe_card

    Use and manufacture. A probe card or DUT board is a printed circuit board (PCB), and is the interface between the integrated circuit and a test head, which in turn attaches to automatic test equipment (ATE) (or "tester"). [2] Typically, the probe card is mechanically docked to a Wafer testing prober and electrically connected to the ATE .

  3. List of free electronics circuit simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_free_electronics...

    List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.

  4. Plugboard - Wikipedia

    en.wikipedia.org/wiki/Plugboard

    The cycles were divided into points according to when the rows on a punched card would appear under a read or punch station. On most machines, cards were fed face down, 9-edge (bottom edge) first. Thus the first point in a card cycle would 9-time, the second 8 time and so on to 0-time. The times from 9 to 0 were known as digits.

  5. Jacquard machine - Wikipedia

    en.wikipedia.org/wiki/Jacquard_machine

    The machine was controlled by a "chain of cards"; a number of punched cards laced together into a continuous sequence. Multiple rows of holes were punched on each card, with one complete card corresponding to one row of the design. Both the Jacquard process and the necessary loom attachment are named after their inventor.

  6. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    Timeline of United States inventions (1890–1945) Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets.

  7. Electronic business - Wikipedia

    en.wikipedia.org/wiki/Electronic_business

    e. Electronic business (also known as online business or e-business) is any kind of business or commercial transaction that includes sharing information across the internet. Commerce constitutes the exchange of products and services between businesses, groups, and individuals and can be seen as one of the essential activities of any business.