E, 0x7000/0xffff = 13.13 / 30
【 在 anit 的大作中提到: 】
: 5
: An embedded system programmed in ANSI C must produce a pulse-width-modulated signal on a digital output to indicate an integer value where 0 is represented by a continuously high level and Oxffff is represented by a continuously low level.Which of the following identify signals which represent a value of 0x7000?
: A.20 millisecond period, 11.25 millisecond pulse width
: ...................
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修改:johnfader FROM 113.104.227.*
FROM 113.104.227.*