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OG_VPT # 8 Researchers trying to make it possible to trace

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OG_VPT # 8 Researchers trying to make it possible to trace [#permalink] New post 26 Sep 2016, 06:28
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Question Stats:

81% (00:44) correct 18% (00:47) wrong based on 16 sessions
Researchers trying to make it possible to trace counterfeit documents to the printer that produced them are (i) ________ the fact that the rotating drums and mirrors inside laser printers are imperfect devices that leave unique patterns of banding in their output. Although these patterns are (ii) __________ to the naked eye, they can be (iii) _________ and analyzed by computer programs that the researchers have spent the past year devising.




Blank iBlank iiBlank iii
a) exploitingd) invisibleg) detected
b) facinge) obvioush) implemented
c) manipulatingf) unappealingi) generated


[Reveal] Spoiler: OA
A,D, and G


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Question: 8
Page: 80
[Reveal] Spoiler: OA

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Moderator
Moderator
User avatar
Joined: 18 Apr 2015
Posts: 5157
Followers: 77

Kudos [?]: 1033 [0], given: 4647

CAT Tests
Re: OG_VPT # 8 Researchers trying to make it possible to trace [#permalink] New post 26 Sep 2016, 06:30
Expert's post
Explanation

The “although” that begins the second sentence suggests that there is a contrast between the way the naked eye perceives the patterns in question and the way computer programs can view them. The answers to Blank (ii) and Blank (iii) must therefore reflect this contrast. “Invisible” and “detected” are the only pairing that does this. Blank (i) calls for a characterization of the relationship between the researchers and the inevitability of imperfections in printing technology. Since the passage asserts that researchers are using computers to analyze these imperfections, “exploiting” is the best choice for Blank (i). “Facing” does not imply the level of engagement detailed in the passage, while “manipulating” suggests that the researchers’ focus might be on changing the imperfections themselves, rather than analyzing them. Thus the correct answer is exploiting (Choice A), invisible (Choice D), and
detected (Choice G).
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Re: OG_VPT # 8 Researchers trying to make it possible to trace   [#permalink] 26 Sep 2016, 06:30
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OG_VPT # 8 Researchers trying to make it possible to trace

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