题目内容
如果采用奇检验，发送端发送的字符编码（含检验位）中，1的个数为（）。
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要纠正1个随机错误，则要求最小'汉明码距为（）。
37._____ refer(s) to devices on networks that connect computers to each other.
47.Jennifer recently installed a free media player for downloading music onto her laptop. Without her knowledge, along with the media player, a software was installed on her system which constantly tracked her online activities in addition to the data saved on her laptop. Which of the following was most likely downloaded without Jennifer's knowledge?
48._____ refers to software that generates advertisements and installs itself on your computer when you download some other, usually free, program from the Web.
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