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  2. SAT - Wikipedia

    en.wikipedia.org/wiki/SAT

    SAT Reading passages draw from three main fields: history, social studies, and science. Each SAT Reading Test always includes: one passage from U.S. or world literature; one passage from either a U.S. founding document or a related text; one passage about economics, psychology, sociology, or another social science; and, two science passages.

  3. Satellite phone - Wikipedia

    en.wikipedia.org/wiki/Satellite_phone

    A satellite telephone, satellite phone or satphone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the ...

  4. College Board - Wikipedia

    en.wikipedia.org/wiki/College_Board

    The digital SAT is an adaptive test, made up of 2 reading and writing modules and 2 math modules. If the test taker does well on the first module of a section, then the second module of the section will be harder, and if the test taker does poorly on the first module, the second module will be easier. [16]

  5. Satellite modem - Wikipedia

    en.wikipedia.org/wiki/Satellite_modem

    After a digital-to-analog conversion in the transmitter, the signal passes through a reconstruction filter.Then, if needed, frequency conversion is performed. The purpose of the analog tract in the receiver is to convert signal's frequency, to adjust its power via an automatic gain control circuit and to get its complex envelope components.

  6. SAT solver - Wikipedia

    en.wikipedia.org/wiki/SAT_solver

    In computer science and formal methods, a SAT solver is a computer program which aims to solve the Boolean satisfiability problem.On input a formula over Boolean variables, such as "(x or y) and (x or not y)", a SAT solver outputs whether the formula is satisfiable, meaning that there are possible values of x and y which make the formula true, or unsatisfiable, meaning that there are no such ...

  7. History of the SAT - Wikipedia

    en.wikipedia.org/wiki/History_of_the_SAT

    The commission recommended that the SAT should, among other things, "approximate more closely the skills used in college and high school work". [27] A mandatory essay had been considered as well for the new version of the SAT; however, criticism from minority groups, as well as a concomitant increase in the cost of the test necessary to grade ...

  8. Automotive navigation system - Wikipedia

    en.wikipedia.org/wiki/Automotive_navigation_system

    Navigation with Gosmore, an open source routing software, on a personal navigation assistant with free map data from OpenStreetMap. An automotive navigation system is part of the automobile controls or a third party add-on used to find direction in an automobile.

  9. Transponder (satellite communications) - Wikipedia

    en.wikipedia.org/wiki/Transponder_(satellite...

    A communications satellite's transponder is the series of interconnected units that form a communications channel between the receiving and the transmitting antennas. [1] It is mainly used in satellite communication to transfer the received signals.

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