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  2. Blackboard Jungle - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Jungle

    Blackboard Jungle is a 1955 American social drama film about an English teacher in an interracial inner-city school, based on the 1954 novel The Blackboard Jungle by Evan Hunter and adapted for the screen and directed by Richard Brooks. It is remembered for its innovative use of rock and roll in its soundtrack, for casting grown adults as high ...

  3. Blackboard bold - Wikipedia

    en.wikipedia.org/wiki/Blackboard_bold

    Blackboard bold is a style of writing bold symbols on a blackboard by doubling certain strokes, commonly used in mathematical lectures, and the derived style of typeface used in printed mathematical texts. The style is most commonly used to represent the number sets ( natural numbers ), ( integers ), ( rational numbers ), ( real numbers ), and ...

  4. Einstein's Blackboard - Wikipedia

    en.wikipedia.org/wiki/Einstein's_blackboard

    Einstein's Blackboard is a blackboard [1] which physicist Albert Einstein (1879–1955) used on 16 May 1931 during his lectures while visiting the University of Oxford in England. [2] [3] The blackboard is in the collection of the Museum of the History of Science in Oxford. [4] [5] The equations in the blackboard are related to the cosmological ...

  5. Murder on the Blackboard - Wikipedia

    en.wikipedia.org/wiki/Murder_on_the_Blackboard

    Murder on the Blackboard. Murder on the Blackboard is a 1934 American pre-Code mystery / comedy film starring Edna May Oliver as schoolteacher Hildegarde Withers and James Gleason as Police Inspector Oscar Piper. Together, they investigate a murder at Withers' school. It was based on the novel of the same name by Stuart Palmer.

  6. Upsetters 14 Dub Blackboard Jungle - Wikipedia

    en.wikipedia.org/wiki/Upsetters_14_Dub...

    Black Board Jungle, often called Blackboard Jungle Dub, [1] is a studio album by The Upsetters. The album, originally released in 1973 under artist name "Upsetters 14 Dub", [2] was pressed in only 300 copies and issued only in Jamaica. According to Pauline Morrison, this was the first ever dub album that came out, although there is a lot of ...

  7. Blackboard - Wikipedia

    en.wikipedia.org/wiki/Blackboard

    Uses. Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

  8. Blackboard (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Blackboard_(disambiguation)

    A blackboard is a reusable writing surface. Look up blackboard in Wiktionary, the free dictionary. Blackboard may also refer to: Black board (Soviet policy), sign used in the Soviet era publicly to chastise farms or factories for such things as failing to meet targets or opposing collectivisation. Blackboard bold, a style of typeface often used ...

  9. Central processing unit - Wikipedia

    en.wikipedia.org/wiki/Central_processing_unit

    A central processing unit ( CPU ), also called a central processor, main processor, or just processor, is the most important processor in a given computer. [1] [2] Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations. [3] [4] [5] This role contrasts with ...