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As the etched lines on computer memory chips have become

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Manager
Joined: 14 Mar 2010
Posts: 82
Followers: 2

Kudos [?]: 92 [2] , given: 44

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

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23 Apr 2012, 02:58
2
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Difficulty:

65% (hard)

Question Stats:

52% (02:01) correct 48% (01:30) wrong based on 146 sessions

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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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Manager
Joined: 23 Oct 2011
Posts: 54
Location: Ukraine
Schools: LBS '14 (M)
GMAT 1: 650 Q44 V35
WE: Corporate Finance (Mutual Funds and Brokerage)
Followers: 2

Kudos [?]: 49 [3] , given: 7

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

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23 Apr 2012, 03:10
3
KUDOS
monir6000 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

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?
Current Student
Joined: 01 Apr 2010
Posts: 300
Location: Kuwait
Schools: Sloan '16 (M)
GMAT 1: 710 Q49 V37
GPA: 3.2
WE: Information Technology (Consulting)
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Kudos [?]: 57 [0], given: 11

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

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23 Apr 2012, 07:25
Ugh missed this one, good explaination.
Joined: 23 Aug 2010
Posts: 214
Concentration: Entrepreneurship, General Management
GPA: 3.3
WE: Design (Other)
Followers: 3

Kudos [?]: 47 [0], given: 34

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

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25 Apr 2012, 11:21
grrr... missed the ambigious use of pronoun "their" in option E..
Manager
Joined: 16 Mar 2010
Posts: 58
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Kudos [?]: 5 [0], given: 4

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

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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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