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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 ...
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 use of multiple representations supports and requires tasks that involve decision-making and other problem-solving skills. [2] [3] [4] The choice of which representation to use, the task of making representations given other representations, and the understanding of how changes in one representation affect others are examples of such mathematically sophisticated activities.
Human interactivity. Across the many fields concerned with interactivity, including information science, computer science, human-computer interaction, communication, and industrial design, there is little agreement over the meaning of the term "interactivity", but most definitions are related to interaction between users and computers and other machines through a user interface.
Some role-playing games use tops to augment dice in generating randomized results; it is in this case referred to as a spinner. Gould mentions maple seeds , celts (leading to rattlebacks ), the fire-drill , the spindle whorl , and the potter's wheel as possible predecessors to the top, which he assumes was invented or discovered multiple times ...
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In geometry and physics, spinors (pronounced "spinner" IPA / s p ɪ n ər /) are elements of a complex vector space that can be associated with Euclidean space. [ b ] A spinor transforms linearly when the Euclidean space is subjected to a slight ( infinitesimal ) rotation, [ c ] but unlike geometric vectors and tensors , a spinor transforms to ...
General representation of an interactive proof protocol. In computational complexity theory, an interactive proof system is an abstract machine that models computation as the exchange of messages between two parties: a prover and a verifier.