在PC机上采用RS-232-C标准接口进行异步串行通讯时，当设定传输速率为9600波特，传输格式为1个起始位，1个停止位时，每秒最多可传送的字节数是【 】。
参考答案：960
解析：波特率即单位时间传送的信息量，以每秒传输的位数表示，是衡量通信速度的指标。假如在某个异步串行通信系统中，它的数据传输速率为960字符/秒，每个字符对应1个起始位、7个数据位、1个奇/偶校验位和1个停止位，那么波特率为10×960=9600(bit/s)。
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| John,11 years old, was in bed in hospital. Several days before, while he was 1 in a baseball game, he fell and hit his head. The doctors believed that he might 2 get well. "He seems to have given up hope. So medicines alone won't 3 . Perhaps he needs something else," said a doctor. "When I visit him, all he ever says is that he would like to meet Babe Ruth." To meet Babe Ruth, of course, was not 4 . In America, Babe Ruth was as 5 a man as the President himself, and he was the most famous baseball player. The next day John's father managed to tell Babe Ruth about the story of his son on the phone. Twenty-four hours later, as the boy 6 in his hospital room, in walked 7 . Young John could hardly believe his own eyes! The great baseball player sat down at Jobn's bedside, sang, "Now, listen, kid, you've got to get well. I've brought you a new American League baseball, 8 you must start throwing it." For John this was the beginning of a new life. 9 his doctors' surprise, the boy walked out of the hospital on his own a few weeks later. How was able to live a healthy life-all because of the 10 of Babe Ruth. | ||||
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