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# As the etched lines on computer memory chips have become

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

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22 Oct 2009, 01:41
ioiio wrote:
I go for B.

D and E -> their usage is ambiguous

A and C -> It's the power that increased... not the circuits/devices

Is it really correct that it should be "power... has" (both singular) instead of "powers ... have" (both plural), because it refers to two nouns?
I am not a English native speaker.

Thanks a lot (one more to my error log!)
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Re: As the etched lines on computer memory chips have become [#permalink]

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26 Oct 2009, 05:13
Prometoh 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 - subject-verb agreement and idiom (both)
(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 - idiom (both)
(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have - not clear lines or chips
(E) their circuits more complex, both the power of the chips and the electronic devices they drive have - not clear lines or chips

B for me

Please someone explain me why "power" is taken as singular... we are here talking about powers of two different items and "have" should have been used here...

++ kudos will be given for the right explanation!!!
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Re: As the etched lines on computer memory chips have become [#permalink]

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26 Oct 2009, 06:33
GMATBLACKBELT wrote:
bmwhype2 wrote:
139. 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.

Need to use idiom Both X and Y.

Both the power of the chips and the electronic devices... incorrect usage, should be both the power of X and the power of Y.

Elmin ACE.

I was actually stuck btwn B and D b/c I couldn't figure out whether to use have or has.

however, "the power" requires has. So I choose B.

Well as you said you were stuck between B and D ..the simple way of eliminating D is looking at the usage of "their circuits" in the beginning. Ambigous since we dont know "their" refers to lines or chips.

hope it helped... I must thank u for clearing my doubt in option A.!!!

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

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06 Jul 2010, 19:49
B is the best answer because the singular subject "the power" agrees with the verb "has" but shouldn't the preposition in B "of" be followed by a noun because "of" is not a preposition, according to Spidey notes pg 13, that can be part of a subordinating conjunction?
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Re: As the etched lines on computer memory chips have become [#permalink]

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09 Jul 2010, 23:32
A, B A B AB .... chose A but answer B
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Re: As the etched lines on computer memory chips have become [#permalink]

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17 Sep 2010, 01:35
bmwhype2 wrote:
139. 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.

The correct answer is B because
1) power is singular and hence requires a singular verb "has". This eliminates choices A D and E.
2) "both the power of the chips" implies that the chips have two powers which seems absurd. Correct usage would be "the power of both" (common to both chips and elctronic devices).
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Re: As the etched lines on computer memory chips have become [#permalink]

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17 Sep 2010, 01:49
It has to be B, since you can't use have,
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Re: As the etched lines on computer memory chips have become [#permalink]

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23 Dec 2010, 12:08
yahoo.. i went with B and is the correct one. . 'the power of both..... has' is the right choice.
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Re: As the etched lines on computer memory chips have become [#permalink]

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21 Mar 2011, 07:11
I missed this one, A seems good but B is right...sneaky!
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Re: As the etched lines on computer memory chips have become [#permalink]

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21 Mar 2011, 07:53
I am still confused.

As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex,, the power of both the chips and the electronic devices they drive has ...

Here we got a parallelism indicator and in between highlighted red portion. First part is a clause but the second one is phrase.. Should these two not be parallel?
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Re: As the etched lines on computer memory chips have become [#permalink]

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04 Jun 2011, 00:15
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 - ruled out - it should be the power of both the chips and the electronic devices- you are comparing 2 nouns(B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has - correct
(C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has - same reason as A
(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have - the power of... should be 'has' and not 'have'
(E) their circuits more complex, both the power of the chips and the electronic devices they drive have - same as A
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Re: As the etched lines on computer memory chips have become [#permalink]

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05 Jun 2011, 04:23
One more for B. Tricky question.
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Re: As the etched lines on computer memory chips have become [#permalink]

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05 Jun 2011, 17:18
Onell wrote:
I am still confused.

As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex,, the power of both the chips and the electronic devices they drive has ...

Here we got a parallelism indicator and in between highlighted red portion. First part is a clause but the second one is phrase.. Should these two not be parallel?

I had a same doubt. That was the reason I picked D. Only B and D is close to right, because the position of 'both' to make it parallel and clear. All the others have a misplace 'both'. Any comments?
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Re: As the etched lines on computer memory chips have become [#permalink]

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05 Jul 2011, 06:07
B.+1. Power of ..... should be followed by singular verb has( in this case). Also B is concise and clear over C.
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Re: As the etched lines on computer memory chips have become [#permalink]

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30 Jul 2011, 12:39
bmwhype2 wrote:
139. 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.

IMO it is B , A DE use have for power which is wrong , between B and C C has circuits are more complex which is not || to memory chips have become thinner
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Re: As the etched lines on computer memory chips have become [#permalink]

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21 Sep 2011, 11:09
A C E are clearly eliminated,
between B and D the subject verb agrees in B
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Re: As the etched lines on computer memory chips have become [#permalink]

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10 Nov 2011, 01:12
I was torn between A and B. Went for A.
After reading through I see "the power of" has to come before "both"
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Re: As the etched lines on computer memory chips have become [#permalink]

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22 Feb 2012, 12:28
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) is correct here.
But, in case (A) been: the chips’ circuits more complex, both the power of the chips and the power of the electronic devices it drives have
Would it have been correct??
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Re: As the etched lines on computer memory chips have become [#permalink]

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18 Jan 2013, 07:59
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. (GMAT Prep)
1. the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have
usage of “ both the power of” is awkward it should be “the power of both X and Y”
2. the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has
correct usage of “both x and y” and the word “they” correctly refers to compound subject “the chips and the electronic devices”
3. the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has - usage of “both the power of” is wrong
4. their circuits are more complex, the power of both the chips and the electronic devices they drive have
“their” ambiguity
5. their circuits more complex, both the power of the chips and the electronic devices they drive have
“their” ambiguity
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Re: As the etched lines on computer memory chips have become [#permalink]

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02 Mar 2013, 20:33
bmwhype2 wrote:
139. 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.

I choose B right away.
Had option E been like this -> the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have -> I would have been really confused between B and E.
A general issue with majority of the choices is "both the power of the chips and the electronic devices they drive have vastly increased".
If we scrutinize this fragment, both X(the power of something) and Y(something else) are still parallel and they agree with have. .
So whats wrong with my customized option E?the electronic devices they drive have vastly increased does not make sense.
Re: As the etched lines on computer memory chips have become   [#permalink] 02 Mar 2013, 20:33

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