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  2. Black Box Corporation - Wikipedia

    en.wikipedia.org/wiki/Black_Box_Corporation

    Black Box Corporation is an IT company headquartered in Texas, United States. [ 1] The company provides technology assistance and consulting services to businesses in a variety of sectors including retail, transportation, government, education, and public safety. Black Box operates in 75 locations across 35 countries.

  3. Automatic gain control - Wikipedia

    en.wikipedia.org/wiki/Automatic_gain_control

    Automatic gain control. Schematic of an AGC used in the analog telephone network; the feedback from output level to gain is effected via a Vactrol resistive opto-isolator. Automatic gain control ( AGC) is a closed-loop feedback regulating circuit in an amplifier or chain of amplifiers, the purpose of which is to maintain a suitable signal ...

  4. Automatic generation control - Wikipedia

    en.wikipedia.org/wiki/Automatic_generation_control

    An electrical grid may have many types of generators and loads; generators must be controlled to maintain stable operation of the system. In an electric power system, automatic generation control ( AGC) is a system for adjusting the power output of multiple generators at different power plants, in response to changes in the load.

  5. Apollo Guidance Computer - Wikipedia

    en.wikipedia.org/wiki/Apollo_Guidance_Computer

    Dimensions. 24 in × 12.5 in × 6.5 in (61 cm × 32 cm × 17 cm) The Apollo Guidance Computer ( AGC) was a digital computer produced for the Apollo program that was installed on board each Apollo command module (CM) and Apollo Lunar Module (LM). The AGC provided computation and electronic interfaces for guidance, navigation, and control of the ...

  6. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  7. Analog Protection System - Wikipedia

    en.wikipedia.org/wiki/Analog_Protection_System

    The Analog Protection System (APS), also known as Analog Copy Protection (ACP), Copyguard or Macrovision, [1] is a VHS [2] and DVD copy protection system originally developed by the Macrovision Corporation. Video tapes copied from DVDs encoded with APS become garbled and unwatchable. The process works by adding pulses to analog video signals to ...

  8. Essar Group - Wikipedia

    en.wikipedia.org/wiki/Essar_Group

    Essar Group [2] is an Indian multinational conglomerate company, founded by Shashi Ruia and Ravi Ruia in 1969. The company, known as Essar Global Fund Limited (EGFL), owns a variety of assets in the core sectors of energy (oil refining, oil and gas exploration and production, power), infrastructure & logistics (ports, projects), metals & mining, technology, and retail (oilfield services ...

  9. Margaret Hamilton (software engineer) - Wikipedia

    en.wikipedia.org/wiki/Margaret_Hamilton...

    Margaret Elaine Hamilton ( née Heafield; born August 17, 1936) is an American computer scientist. She was director of the Software Engineering Division of the MIT Instrumentation Laboratory, which developed on-board flight software for NASA 's Apollo program. She later founded two software companies—Higher Order Software in 1976 and Hamilton ...