control level -
21Control (management) — Controlling is one of the managerial functions like planning, organizing, staffing and directing. It is an important function because it helps to check the errors and to take the corrective action so that deviation from standards are minimized… …
22control theory — Field of applied mathematics relevant to the control of certain physical processes and systems. It became a field in its own right in the late 1950s and early 60s. After World War II, problems arising in engineering and economics were recognized… …
23Control unit — A control unit in general is a central (or sometimes distributed but clearly distinguishable) part of the machinery that controls its operation, provided that a piece of machinery is complex and organized enough to contain any such unit. One… …
24Control of the National Grid (UK) — The National Grid (UK) is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations to ensure that electricity generated anywhere in Great Britain can be used to satisfy demand… …
25Control register — A control register is a processor register which changes or controls the general behavior of a CPU or other digital device. Common tasks performed by control registers include interrupt control, switching the addressing mode, paging control, and… …
26control area — A controlled airspace extending upward from a specified limit above the earth (ICAO). The delineation of the control areas, including airways and terminal control areas, should encompass sufficient airspace to contain the flight paths of those… …
27control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… …
28control — con|trol1 [ kən troul ] noun *** ▸ 1 power to make decisions ▸ 2 power over machine etc. ▸ 3 law limiting something ▸ 4 ability to stop problem ▸ 5 ability to remain calm ▸ 6 switch on machine ▸ 7 in scientific test ▸ 8 check rules are applied ▸… …
29Control-Alt-Delete — This article is about the keyboard combination. For a list of keyboard shortcuts, see Table of keyboard shortcuts. For other uses, see Control Alt Delete (disambiguation). The keys Control Alt Delete highlighted on a QWERTY keyboard. Control Alt… …
30Control lock — A control lock, or guard lock differs from a normal canal lock in that its primary purpose is controlling variances in water level rather than raising or lowering vessels. A control lock may also be known as a tide lock where it is used to… …
