题目内容
37._____ refer(s) to devices on networks that connect computers to each other.
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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.
50.Spyware is also known as ____.
51.A _____ consists of one line of information for every visitor to a Web site and is usually stored on a Web server.
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