(Encyclopedia) digital circuit, electronic circuit that can take on only a finite number of states. That is contrasted with analog circuits, whose voltages or other quantities vary in a continuous…
(Encyclopedia) cypress, common name for members of the Cupressaceae, a widely distributed family of coniferous shrubs and trees, several yielding valuable timber. The major genera are Juniperus (…
(Encyclopedia) Addams, Jane, 1860–1935, American social worker, b. Cedarville, Ill., grad. Rockford College, 1881. In 1889, with Ellen Gates Starr, she founded Hull House in Chicago, one of the first…
(Encyclopedia) SplitSplitsplēt [key], Ital. Spalato, city (2011 pop. 178,102), S Croatia, on the Dalmatian coast of the Adriatic Sea. It is a major seaport, a regional transportation hub, and a…
(Encyclopedia)
CE5
Simple transistor circuit
transistor, three-terminal, solid-state electronic device used for amplification and switching. It is the solid-state analog to the triode electron…
(Encyclopedia) O'Casey, SeanO'Casey, Seanshôn [key], 1884–1964, Irish dramatist, one of the great figures of the Irish literary renaissance. A Protestant, he grew up in the slum district of Dublin…
(Encyclopedia) PyongyangPyongyangpēyŭngˈyängˈ [key], Chin. Pingyang, Jap. Heijo, city (1993 pop. 2,741,260), capital of North Korea, SW North Korea, on a high bluff above the Taedong River. It is a…
(Encyclopedia) MedinaMedinamĭdēˈnə [key], Arabic Medinat an-Nabi [city of the Prophet] or Madinat Rasul Allah [city of the apostle of Allah], city (1993 pop. 608,226), Hejaz, W Saudi Arabia. It is…
(Encyclopedia) caissoncaissonkāˈsən, –sŏn [key] [Fr.,=big box], in engineering, a chamber, usually of steel but sometimes of wood or reinforced concrete, used in the construction of foundations or…
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