A device that senses and stores the instantaneous value of an analog signal . Erasing or overwriting all data on a magnetic or other data medium , so that the data cannot be recovered . Contrast with clear . The attribute of a color that expresses the degree of departure from the gray of the same luminance . A color that is highly saturated appears to be pure hue and free of gray, but if it is of low saturation it appears to have a great deal of gray mixed with it.
All grays have zero saturation.
A function or mode that enables the user to store a document on a data medium so as to make permanent the changes to that document. Parallel processing that allows the addition of processors and users with minor increase in complexity. A quantity characterized by a single value . Contrast with vector . A data type , each instance of which represents a scalar .