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A USB-pluggable hardware true random number generator. In computing, a hardware random number generator (HRNG), true random number generator (TRNG), non-deterministic random bit generator (NRBG), [1] or physical random number generator [2] [3] is a device that generates random numbers from a physical process capable of producing entropy (in other words, the device always has access to a ...
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Example of a spinner together with a text box, placed above a check box. A spinner or numeric updown is a graphical control element with which a user may adjust a value in an adjoining text box by either clicking on an up or down arrow, by pressing an arrow key down or moving mouse wheel, [1] causing the value in the text box to increase (if the up arrow is held down) or decrease (if the down ...
1.4×10 19 J: Yearly electricity consumption in the U.S. as of 2009 [181] [203] 1.4×10 19 J: Yearly electricity production in the U.S. as of 2009 [204] [205] 5×10 19 J: Energy released in 1 day by an average hurricane in producing rain (400 times greater than the wind energy) [179] 6.4×10 19 J: Yearly electricity consumption of the world as ...
A rotating-wheel Braille display was developed in 2000 by the National Institute of Standards and Technology (NIST) and another at the Leuven University in Belgium. [1] In these units, braille dots are put on the edge of a spinning wheel , which allows the user to read continuously with a stationary finger while the wheel spins at a selected speed.
A throbber animation like that seen on many websites when a blocking action is being performed in the background. A throbber, also known as a loading icon, is an animated graphical control element used to show that a computer program is performing an action in the background (such as downloading content, conducting intensive calculations or communicating with an external device).
The main example is the case that the real vector space V is a hermitian vector space (V, h), i.e., V is equipped with a complex structure J that is an orthogonal transformation with respect to the inner product g on V. Then splits in the ±i eigenspaces of J.
A spinner rack is a rotating merchandise display, usually placed on a retailer's floor or counter. Often used to display magazines , paperbacks , [ 1 ] greeting cards , postcards , hats , or seeds , the spinner rack is closely associated with the comic book industry .