問題詳情
請依下文回答第 5 題至第 9 題Hackers around the world are getting better at stealing passwords. A hacker is a person who uses acomputer to gain information without permission. Now, some computer scientists are trying to stophackers 5 passwords.The U.S. Military’s Defense Advanced Research Projects Agency, DARPA, is responsible for thecreation of the Internet. The agency is supporting research projects that will 6 passwords a thing ofthe past. One project is called Active Authentication. Scientists working on the project want to use aperson’s individual qualities to protect electronic devices like wireless phones against hackers. 7 , themovement of a person’s hands when they use a wireless phone can be read by sensors. The phone canremember those signs and observe them. The phone locks when someone 8 the owner tries to use it.Other teams of scientists are trying to teach computers and smart phone show to recognize a person’swriting style. The devices will know the words a person uses, 9 and the kinds of errors they make. Inanother project, the owner of a device says a phrase instead of typing a password. Sensors identify thesound and way that a user says words.DARPA says the projects have had very good results. Some of the largest computer and smart phonemanufacturers have expressed interest in using them in new devices.
【題組】5
(A) by used not
(B) by not using
(C) by not used
(D) by using not
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