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    Question

    _________ is billionth of a

    second.
    A Microsecond Correct Answer Incorrect Answer
    B Gigabyte Correct Answer Incorrect Answer
    C Terabyte Correct Answer Incorrect Answer
    D Terasecond Correct Answer Incorrect Answer
    E Nanosecond Correct Answer Incorrect Answer

    Solution

    A nanosecond (ns) is an SI unit of time equal to one billionth of a second, that is, ​1⁄1 000 000 000 of a second, or 10−9 seconds. The term combines the prefix nano- with the basic unit for one-sixtieth of a minute.

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