two level systems

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• Two-level scheduling — is a computer science term to describe a method to more efficiently perform process scheduling that involves swapped out processes. Consider this problem: A system contains 50 running processes all with equal priority. However, the system s… …   Wikipedia

• Two-state quantum system — In quantum mechanics, a two state system (a.k.a. TLS=Two Level System) is a system which has two possible states. More formally, the Hilbert space of a two state system has two degrees of freedom, so a complete basis spanning the space must… …   Wikipedia

• Two-component regulatory system — Two component systems serve as a basic stimulus response coupling mechanism to allow organisms to sense and respond to changes in many different environmental conditions.cite journal |author=Stock AM, Robinson VL, Goudreau PN |title=Two component …   Wikipedia

• Two-party system — Part of the Politics series Party politics Political spectrum …   Wikipedia

• Level junction — Not to be confused with Level crossing. Flat junction: trains have to wait to cross the diamond at the center …   Wikipedia

• Two-factor authentication — (TFA, T FA or 2FA) is an approach to authentication which requires the presentation of two different kinds of evidence that someone is who they say they are. It is a part of the broader family of multi factor authentication, which is a defense in …   Wikipedia

• systems engineering — ☆ systems engineering n. a branch of engineering using esp. information theory, computer science, and facts from systems analysis studies to design integrated operational systems for specific complexes systems engineer n. * * * Technique of using …   Universalium

• Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… …   Wikipedia

• Systems theory — is an interdisciplinary field of science and the study of the nature of complex systems in nature, society, and science. More specificially, it is a framework by which one can analyze and/or describe any group of objects that work in concert to… …   Wikipedia

• Systems intelligence — is human action that connects sensitivity about a systemic environment with systems thinking, thus spurring a persons problem solving capabilities and invoking performance and productivity in everyday situations. Systems intelligence, abbreviated …   Wikipedia

• Systems Engineering Laboratories — (also called SEL) was a manufacturer of minicomputers in Fort Lauderdale, Florida. It was one of the first 32 bit realtime computer system manufacturers. Realtime computers are used for process control and monitoring; to accommodate these… …   Wikipedia