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As the etched lines on computer memory chips have become

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As the etched lines on computer memory chips have become [#permalink] New post 01 Jan 2008, 05:12
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As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have vastly increased.

(A) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have

(B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has

(C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has

(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have

(E) their circuits more complex, both the power of the chips and the electronic devices they drive have


Please explain your answer
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Re: SC: Etched Lines [#permalink] New post 01 Jan 2008, 06:19
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tarek99 wrote:
As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have vastly increased.

(A) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have

(B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has

(C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has

(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have

(E) their circuits more complex, both the power of the chips and the electronic devices they drive have


Please explain your answer


B. in my opinion is correct.

A is incorrect because the sentence is trying to say the Power HAS increased, and the use of Both is unidiomatic.
C is incorrect because ARE is redundant and the same unidiomatic use of both.
D and E, the use of their makes it unclear whether we are refering to circuits of the etched lines or computer chips. Therefore to nullify the ambigiuity, we need to say the chips' circuits as in A, B,C.
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Re: SC: Etched Lines [#permalink] New post 03 Jan 2008, 02:36
OA is B
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Re: SC: Etched Lines [#permalink] New post 03 Jan 2008, 05:23
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tarek99 wrote:
As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have vastly increased.

(A) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have

(B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has

(C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has

(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have

(E) their circuits more complex, both the power of the chips and the electronic devices they drive have


Please explain your answer


it is the power that has increased because an electronic device can't do that. we must chose between B and D. Only B ha subject-verb agreement and thus is correct.
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Re: SC: Etched Lines [#permalink] New post 05 Jan 2008, 06:02
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B it is...

In A and E they are using have .. but only power is being increased and nothing else.. although the power is of many devices but it is as they say a collective noun...
Moreover the usage of both is wrong in A & E which changes the meaning .. it now suggests as if the power and the electronic devices have vastly increased..
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Re: SC: Etched Lines [#permalink] New post 05 Jan 2008, 06:46
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I think chip's circiut is wrong. I have a doub't whthr we can use 's for any non-living thing?
Re: SC: Etched Lines   [#permalink] 05 Jan 2008, 06:46
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