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  2. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    Data transfer rate (read/write) can be measured by writing a large file to disk using special file-generator tools, then reading back the file. Transfer rate can be influenced by file system fragmentation and the layout of the files. [129] HDD data transfer rate depends upon the rotational speed of the platters and the data recording density.

  3. Medicare (United States) - Wikipedia

    en.wikipedia.org/wiki/Medicare_(United_States)

    Lyndon B. Johnson signing the Medicare amendment (July 30, 1965). Former president Harry S. Truman (seated) and his wife, Bess, are on the far right.. Originally, the name "Medicare" in the United States referred to a program providing medical care for families of people serving in the military as part of the Dependents' Medical Care Act, which was passed in 1956. [6]

  4. Hyperinflation - Wikipedia

    en.wikipedia.org/wiki/Hyperinflation

    64.63 1.39 days 500 billion DIN (5 × 10 11) Republika Srpska: Republika Srpska dinar: January 1994 2.97 × 10 8: 64.35 1.40 days 50 billion DIN (5 × 10 10) Germany: German Papiermark: October 1923 29,500 20.89 3.65 days 100 trillion ℳ (10 14) Greece: Greek drachma: October 1944 13,800 17.88 4.21 days ₯100 billion (10 11) China: Chinese ...

  5. Platypus - Wikipedia

    en.wikipedia.org/wiki/Platypus

    Much of the world was introduced to the platypus in 1939 when National Geographic Magazine published an article on the platypus and the efforts to study and raise it in captivity. The latter is a difficult task, and only a few young have been successfully raised since, notably at Healesville Sanctuary in Victoria .