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Head Start
Head Start U.S. educational program for disadvantaged preschool children, established under the Economic Opportunity Act of 1964. Aimed initially only at poor children, its purpose was to organize programs that would prepare preschool children for elementary school. Money was appropriated through t...
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United Nations Development Program
United Nations Development Program (UNDP), agency of the United Nations, established in 1965 to unify the operations of the Expanded Program of Technical Assistance and the United Nations Special Fund, which continued as separate components of UNDP until full unification in 1971. The UNDP is a majo...
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object-oriented programming
object-oriented programming a modular approach to computer program (software) design. Each module, or object, combines data and procedures (sequences of instructions) that act on the data; in traditional, or procedural, programming the data are separated from the instructions. A group of objects ...
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McDonald Observatory
McDonald Observatory astronomical observatory located on Mt. Locke, near Fort Davis, Tex.; founded in 1932, sponsored by the Univ. of Texas in cooperation with the Univ. of Chicago. Its equipment includes 107-in. (272-cm), 82-in. (208-cm), 32-in. (81-cm), and 30-in. (76-cm) reflecting telescopes. T...
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National Institute of Standards and Technology
National Institute of Standards and Technology governmental agency within the U.S. Dept. of Commerce with the mission of "working with industry to develop and apply technology, measurements, and standards" in the national interest. It was established by act of Congress on Mar. 3, 1901; until 19...
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space exploration
space exploration the investigation of physical conditions in space and on stars, planets, and other celestial bodies through the use of artificial satellites (spacecraft that orbit the earth), space probes (spacecraft that pass through the solar system and that may or may not orbit another cel...
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Point Four program
Point Four program U.S. foreign aid project aimed at providing technological skills, knowledge, and equipment to poor nations throughout the world. The program also encouraged the flow of private investment capital to these nations. The project received its name from the fourth point of a program s...
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Marshall Plan
Marshall Plan or European Recovery Program, project instituted at the Paris Economic Conference (July, 1947) to foster economic recovery in certain European countries after World War II. The Marshall Plan took form when U.S. Secretary of State George C. Marshall urged (June 5, 1947) that Euro...
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computer virus
computer virus rogue computer program , typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations. A computer virus usually attaches or inserts itself to or in an executable file or the boot sector (the area that contains the ...
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cable television
cable television the transmission of televised images to viewers by means of coaxial cables. Cable systems receive the television signal, which is sent out over cables to individual subscribers, by a common antenna (CATV) or satellite dish. Early cable systems developed in the late 1940s to improve...
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