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]

23 Apr 2012, 02:58

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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

[Reveal] Spoiler: OA

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Re: As the etched lines on computer memory chips have become [#permalink]

23 Apr 2012, 03:10

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monir6000 wrote:

B

(A) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have - we talk about power of both chips and el devices
(B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has - CORRECT, subj/verb agreement
(C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has - the sentence already has a verb, no sense to "are". + the same as in A
(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have - subj/verb agreement, "their" refers to the etched lines or chips?
(E) their circuits more complex, both the power of the chips and the electronic devices they drive have - "their" refers to the etched lines or chips?

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Re: As the etched lines on computer memory chips have become [#permalink]

23 Apr 2012, 07:25

Ugh missed this one, good explaination.

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Re: As the etched lines on computer memory chips have become [#permalink]

25 Apr 2012, 11:21

grrr... missed the ambigious use of pronoun "their" in option E.. :evil:

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Re: As the etched lines on computer memory chips have become [#permalink]

25 Apr 2012, 20:04

B.. nice one, parallelism and subject verb agreement.

Re: As the etched lines on computer memory chips have become [#permalink] 25 Apr 2012, 20:04

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As the etched lines on computer memory chips have become

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