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#14 - Theoretically, analog systems are superior to digital

LSAT Master
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HI there, thank you in advance for you help!

Oct 2000 LSAT, Sec 4 LR, Q14:

After re-read the question, I figured out why E is right. But I am still not quite understand why A is wrong. Is it because A is too broad ("MANY IDEAS that work well in theory don't work well in practice")??

Thank you so much!

Emily Haney-Caron
PowerScore Staff
PowerScore Staff
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Hi Sherry,

Yep, you figured it out - A is incorrect because it is much too broad to be very strongly supported by the stimulus. Great job!
LSAT Leader
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Hi Powerscore,

So, I'm having trouble understanding why D is incorrect. I easily eliminated B, C, and E. I thought that D was correct because the stimulus discusses that analog systems when compared to that of digital systems don't work as well and have practical defects. But, the stimulus does not state that digital systems are necessarily preferable to that of analog systems. That's why I eliminated answer choice E. If the stimulus doesn't implicitly say that digital systems are better, how do we know when to infer that?
PowerScore Staff
PowerScore Staff
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Hi kdup,

Good questions and let's start with why Answer Option (D) is incorrect. This is a Must Be True question and so we are limited to the information in the stimulus which we must accept as true. (D) gives us the last clause of "for most practical purposes" and nowhere in the stimulus does the author go that far. In fact, the author identifies only one area of inferiority and that is the area of reproduction. There could be many other practical purposes such as the ability to make transmissions from great differences, not interfering with other signals, etc. All of which may be areas where analog coulf be better than digital.

On the other hand Answer (E) focuses on the reproduction and does pass the Fact Test because most of the stimulus is discussing the practicality of reproduction in analog vs. digital. It is therefore a supportable inference and the correct answer. Thanks for the great question and I hope this helps!