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  2. Power-on reset - Wikipedia

    en.wikipedia.org/wiki/Power-on_reset

    On an IBM mainframe, a power-on reset (POR) is a sequence of actions that the processor performs either due to a POR request from the operator or as part of turning on power. The operator requests a POR for configuration changes that cannot be recognized by a simple System Reset .

  3. Troubleshooting - Wikipedia

    en.wikipedia.org/wiki/Troubleshooting

    Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

  4. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    Unlike a linear power supply, the pass transistor [a] of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high-dissipation transitions, which minimizes wasted energy. Voltage regulation is achieved by varying the ratio of on-to-off time (also known as duty ...

  5. Miniature snap-action switch - Wikipedia

    en.wikipedia.org/wiki/Miniature_snap-action_switch

    Secondly, they are used when long-term reliability is needed. This is a result of the internal mechanism and the independence of the closing force on the switch contacts from the operating force. Switch reliability is largely a question of the contact force: a force that is reliably adequate, but never excessive, encourages long life.

  6. Power electronics - Wikipedia

    en.wikipedia.org/wiki/Power_electronics

    An HVDC thyristor valve tower 16.8 m tall in a hall at Baltic Cable AB in Sweden A battery charger is an example of a piece of power electronics. Power grid designer in front of a newly installed 880kV thyristor valve array A PCs power supply is an example of a piece of power electronics, whether inside or outside of the cabinet.

  7. Centrifugal switch - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_switch

    A centrifugal switch is an electric switch that operates using the centrifugal force created from a rotating shaft, most commonly that of an electric motor or gasoline engine. The switch is designed to activate or de-activate as a function of the rotational speed of the shaft.

  8. Computer mouse - Wikipedia

    en.wikipedia.org/wiki/Computer_mouse

    A computer mouse (plural mice, also mouses) [nb 1] is a hand-held pointing device that detects two-dimensional motion relative to a surface. This motion is typically translated into the motion of the pointer (called a cursor) on a display, which allows a smooth control of the graphical user interface of a computer.

  9. Final Fantasy VII - Wikipedia

    en.wikipedia.org/wiki/Final_Fantasy_VII

    The title was the first in the series to use full motion video and 3D computer graphics, featuring 3D character models superimposed over 2D pre-rendered backgrounds. Although the gameplay remained mostly unchanged from previous entries, Final Fantasy VII introduced more widespread science fiction elements and a more realistic presentation.