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digital-to-analog conversion

(Encyclopedia)digital-to-analog or D/A conversion, the process of changing discrete digital data into a continuously varying signal in relation to a standard or reference. There are two types of converters: electro...

Duda, Andrzej Sebastian

(Encyclopedia)Duda, Andrzej Sebastian änˈjā sĕbäsˈtyän do͞odä [key], 1972–, Polish political leader, Ph.D. Jagiellonian Univ., Kraków, 2005. A member of the former Freedom Union party, he joined the Law...

Filson, John

(Encyclopedia)Filson, John, c.1753–1788, Kentucky pioneer, b. Chester co., Pa. In 1783 he acquired land in Kentucky, taught school, and wrote Discovery, Settlement, and Present State of Kentucke (1784). This firs...

Beira, former province, Portugal

(Encyclopedia)Beira bāˈrə [key], region and former province, N central Portugal, S of the Douro River. The old capital was Coimbra. The province extended to the Atlantic coast between the Douro and the Mondego a...

Canetti, Elias

(Encyclopedia)Canetti, Elias kənĕtˈē [key], 1905–94, English novelist and essayist, b. Ruschuk (now Ruse), Bulgaria. He came from a Sephardic Jewish background, spent most of his early years in Vienna, and, f...

Gaddi, family of Florentine artists

(Encyclopedia)Gaddi gädˈdē [key], celebrated family of Florentine artists. Gaddo Gaddi, c.1260–c.1333, painter and mosaicist, is said by Vasari to have been associated with Cimabue and Giotto. Among the mosaic...

Innocent VIII

(Encyclopedia)Innocent VIII, 1432–92, pope (1484–92), a Genoese named Giovanni Battista Cibo; successor of Sixtus IV. He was made a cardinal in 1473. His close friend, Cardinal Giuliano della Rovere (later Pope...

Sonnino, Sidney, Barone

(Encyclopedia)Sonnino, Sidney, Barone bärôˈnā sōn-nēˈnō [key], 1847–1922, Italian foreign minister instrumental in Italy's entry into World War I. A member of the diplomatic corps (1867–73), he later be...

Borgia, Lucrezia

(Encyclopedia)Borgia, Lucrezia bōrˈjä [key], 1480–1519, Italian noblewoman, famous figure of the Italian Renaissance; daughter of Pope Alexander VI. Her first marriage (1492) to Giovanni Sforza of Pesaro was ...

Mombasa

(Encyclopedia)Mombasa mŏmbăˈsə, –bäˈsə [key], city (1990 est. pop. 537,000), capital of Coast prov., SE Kenya, mostly on Mombasa island in the Indian Ocean and partly on the mainland (with which it is conn...