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  2. Windows Update - Wikipedia

    en.wikipedia.org/wiki/Windows_Update

    Windows 95 and Windows NT 4.0 were retroactively given the ability to access the Windows Update website and download updates designed for those operating systems, starting with the release of Internet Explorer 4. The initial focus of Windows Update was free add-ons and new technologies for Windows.

  3. Signal-to-noise ratio - Wikipedia

    en.wikipedia.org/wiki/Signal-to-noise_ratio

    A ratio higher than 1:1 (greater than 0 dB) indicates more signal than noise. SNR is an important parameter that affects the performance and quality of systems that process or transmit signals, such as communication systems , audio systems , radar systems , imaging systems , and data acquisition systems.

  4. Bell AH-1 Cobra - Wikipedia

    en.wikipedia.org/wiki/Bell_AH-1_Cobra

    Typically, the Cobra would avoid hovering at any point in an active engagement; instead, emphasis was placed on maintaining speed and mobility. [4] The gunner often fired the chin-mounted cannon with the intention of suppressing hostile targets in between barrages of 2.75-inch rockets, held in pods upon the stub wings, which were fired by the ...

  5. Franklin D. Roosevelt - Wikipedia

    en.wikipedia.org/wiki/Franklin_D._Roosevelt

    Franklin Delano Roosevelt [a] (January 30, 1882 – April 12, 1945), also known as FDR, was the 32nd president of the United States, serving from 1933 until his death in 1945.

  6. Get the Boydton, VA local weather forecast by the hour and the next 10 days.

  7. Speed of sound - Wikipedia

    en.wikipedia.org/wiki/Speed_of_sound

    It depends strongly on temperature as well as the medium through which a sound wave is propagating. At 0 °C (32 °F), the speed of sound in air is about 331 m/s (1,086 ft/s; 1,192 km/h; 740 mph; 643 kn). [1] The speed of sound in an ideal gas depends only on its temperature and composition. The speed has a weak dependence on frequency and ...

  8. Pub - Wikipedia

    en.wikipedia.org/wiki/Pub

    The Hostellers of London were granted guild status in 1446, and in 1514 the guild became the Worshipful Company of Innholders. [11] A survey in 1577 of drinking establishment in England and Wales for taxation purposes [ 12 ] recorded 14,202 alehouses, 1,631 inns, and 329 taverns, representing one pub for every 187 people.

  9. New York City Subway - Wikipedia

    en.wikipedia.org/wiki/New_York_City_Subway

    The New York City Subway is a rapid transit system in New York City serving the boroughs of Manhattan, Brooklyn, Queens, and the Bronx.It is owned by the government of New York City and leased to the New York City Transit Authority, [14] an affiliate agency of the state-run Metropolitan Transportation Authority (MTA). [15]