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  2. Compact disc - Wikipedia

    en.wikipedia.org/wiki/Compact_disc

    The compact disc ( CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It uses the Compact Disc Digital Audio format which typically provides 74 minutes of audio on a disc. In later years, the compact disc was adapted for non-audio computer data storage purposes ...

  3. Capacitor discharge ignition - Wikipedia

    en.wikipedia.org/wiki/Capacitor_discharge_ignition

    Capacitor discharge ignition ( CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine -powered aircraft, and some cars. It was originally developed to overcome the long charging times associated with high inductance coils ...

  4. Foot-candle - Wikipedia

    en.wikipedia.org/wiki/Foot-candle

    CGS. 1.076 × 10−3 phots. A foot-candle (sometimes foot candle; abbreviated fc, lm/ft2, or sometimes ft-c) is a non- SI unit of illuminance or light intensity. The foot-candle is defined as one lumen per square foot. This unit is commonly used in lighting layouts in parts of the world where United States customary units are used, mainly the ...

  5. Optic cup (anatomical) - Wikipedia

    en.wikipedia.org/wiki/Optic_cup_(anatomical)

    The optic cup is the white, cup-like area in the center of the optic disc. [1] The ratio of the size of the optic cup to the optic disc (cup-to-disc ratio, or C/D) is one measure used in the diagnosis of glaucoma. Different C/Ds can be measured horizontally or vertically in the same patient. C/Ds vary widely in healthy individuals.

  6. Constitution and Convention of the International ...

    en.wikipedia.org/wiki/Constitution_and...

    Actual version: The International Telecommunication Union (ITU) Constitution and Convention of the International Telecommunication Union (short: ITU Constitution and Convention or ITU CS CV) is an international treaty, signed and ratified by almost all countries of the world. The treaty is the founding document of the ITU, a specialized agency ...

  7. Best CD rates today: APYs eclipse 5% on top accounts and ...

    www.aol.com/finance/best-cd-rates-today-apys...

    The best CD rates for April 8, 2024. Don't shield your eyes from the highest CD rates found at FDIC-insured digital banks and online accounts that pass along what they save on brick-and-mortar ...

  8. The best CD rates for April 26, 2024 - AOL

    www.aol.com/finance/best-cd-rates-today-you...

    CDs are a safe way to steadily earn interest, but you stand to earn more over the long term through stocks, bonds or securities. And by locking your money in a CD, you could miss out if average ...

  9. A-side and B-side - Wikipedia

    en.wikipedia.org/wiki/A-side_and_B-side

    The A-side and B-side are the two sides of phonograph records and cassettes, and the terms have often been printed on the labels of two-sided music recordings. The A-side usually features a recording that its artist, producer, or record company intends to be the initial focus of promotional efforts and radio airplay, with the aim of it becoming ...