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Mechanical keyboards (or mechanical-switch keyboards) are computer keyboards which have an individual switch for each key. The following table is a compilation list of mechanical keyboard models, brands, and series:
Cherry's color-coding system of categorizing switches has been imitated by other switch manufacturers, such as Gateron and Kailh among many others. [ 4 ] [ 5 ] Keyboards which utilize this technology are commonly referred to as "mechanical keyboards", but there is not a universally agreed-upon clear-cut definition for this term.
2.4 mm 4.0 mm 50 million Gateron Gateron Reds [21] Cherry MX Reds Linear 0.45 N N/A 2.0 mm ... On top of a variety of new switches being made, consumers are taking ...
This example shows that three keys, brown, blue and green, have been pressed. A signal path is accurately detected from terminal 1, through the brown switch to terminal 6, indicating that key 1/6 has been pressed. However, the signal also routes through the blue and green switches to terminal 4, falsely indicating that key 1/4 has been pressed.
Blinkenlights on the NSA's FROSTBURG supercomputer from the 1990s Typical LED pattern of a Thinking Machines CM-5. The Connection Machine, a 65 536-processor parallel computer designed in the mid-1980s, was a black cube with one side covered with a grid of red blinkenlights; the sales demo had them evolving Conway's Game of Life patterns.
The toggle light switch was invented in 1916 by William J. Newton. [2] As a component of an electrical wiring or home wiring system, the installation of light switches is regulated by some authority concerned with safety and standards. In different countries the standard dimensions of the wall mounting hardware (boxes, plates, etc.) may differ.
In contrast to a simple light switch, which is a single pole, single throw (SPST) switch, multiway switching uses switches with one or more additional contacts and two or more wires are run between the switches. When the load is controlled from only two points, single pole, double throw (SPDT) switches are used.
Scroll Lock or ScrLk [1] (sometimes notated ⤓ [2] or ↕ [3]) is a lock key (typically with an associated status light) on most IBM-compatible computer keyboards. Depending on the operating system, it may be used for different purposes, and applications may assign functions to the key or change their behavior depending on its toggling state.