a chart on which observations are plotted as ordinates in the order in which they are obtained and on which control lines are constructed to indicate whether the population from which the observations are being drawn is remaining the same: used especially in industrial quality control.
(statistics) a chart on which observed values of a variable are plotted, usually against the expected value of the variable and its allowable deviation, so that excessive variations in the quality, quantity, etc, of the variable can be detected
- Control code
character A character which is input or output to cause some special action rather than to appear as part of the data. Most control characters are input by holding down (either of) the “Control” key(s) on the keyboard and simultaneously pressing another key which may be a letter or (depending on the keyboard and operating […]
- Control column
noun 1. a lever or pillar, usually fitted with a handwheel, used to control the movements of an aircraft Also called control stick, joy stick
- Control commands
plural noun 1. keyed instructions conveyed to a computer by using the control key in conjunction with the standard keys
noun, Electronics. 1. an electrode to which a varying signal is applied to vary the output of a transistor or vacuum tube.