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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 10 Aug 2007, 10:28
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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.
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 [#permalink] New post 10 Aug 2007, 10:50
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I think I like answer B.
the power is agree with the verb has.
In D and E, the use of their is ambigious.
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Re: SC1000 #139 Chips [#permalink] New post 10 Aug 2007, 11:24
bmwhype2 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.


i am also but stuck on this one. I got B too using some other method.

can any one explain why B? why "the chips’ circuits more complex" is not complete?
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Re: SC1000 #139 Chips [#permalink] New post 10 Aug 2007, 12:10
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Fistail wrote:
bmwhype2 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.


i am also but stuck on this one. I got B too using some other method.

can any one explain why B? why "the chips’ circuits more complex" is not complete?


the chips' circuits more complex is the same in A and B. that's not the issue.

B is correct because "____ vastly increased" at the end of the sentence refers back to "the power" which is singular. even though it's talking about the power of two different things, it has to be "has vastly increased" instead of "have vastly increased"
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 [#permalink] New post 10 Aug 2007, 18:33
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B is the correct answer. A is also grammatically correct but B is clearer choice.

Thanks
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 [#permalink] New post 10 Aug 2007, 19:35
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It's B.

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 vastly increased.
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 [#permalink] New post 11 Aug 2007, 07:21
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b14kumar wrote:
It's B.

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 vastly increased.


thanks

I now see that AC are both not parallel and DE have ambiguous referents.
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 [#permalink] New post 11 Aug 2007, 07:24
bmwhype2 wrote:
b14kumar wrote:
It's B.

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 vastly increased.


thanks

I now see that AC are both not parallel and DE have ambiguous referents.


both should be as close to the word that it modifies as possible
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 [#permalink] New post 11 Aug 2007, 07:43
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I go for B.

D and E -> their usage is ambiguous

A and C -> It's the power that increased... not the circuits/devices
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 [#permalink] New post 11 Aug 2007, 18:35
bmwhype2 wrote:
b14kumar wrote:
It's B.

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 vastly increased.


thanks

I now see that AC are both not parallel and DE have ambiguous referents.


alright made another mistake...DE do not have ambiguous referents.
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 [#permalink] New post 15 Sep 2007, 21:18
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I'm sorry, but I'm still very confused here.

I think that answer B sounds incomplete. Should it be the chips’ circuits have become more complex?

Thanx!
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 [#permalink] New post 16 Sep 2007, 03:09
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mashi wrote:
I'm sorry, but I'm still very confused here.

I think that answer B sounds incomplete. Should it be the chips’ circuits have become more complex?

Thanx!


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
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Re: SC1000 #139 Chips [#permalink] New post 16 Sep 2007, 10:13
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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 (the electronic devices they drive have vastly increased=>does not make sense=>OUT)
(B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has (the power...has=>OK)
(C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has (both...has=>OUT)
(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have (the power....have=>OUT)
(E) their circuits more complex, both the power of the chips and the electronic devices they drive have (the electronic devices they drive have vastly increased=>does not make sense=>OUT)
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Re: SC1000 #139 Chips [#permalink] New post 16 Sep 2007, 22:09
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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.
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Re: SC1000 #139 Chips [#permalink] New post 22 Feb 2008, 15:04
the OA is B
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Re: SC1000 #139 Chips [#permalink] New post 04 Aug 2008, 09:03
Do we see anything wrong with A? If not why are we picking a choice (B) that has a different meanings from the original?
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Re: SC1000 #139 Chips [#permalink] New post 15 Oct 2009, 18:11
A whole lot of discussion but still not clear.
Quote:
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

OA is
[Reveal] Spoiler:
B


Shoul'nt a sentence have the same tense throughout??Since we already have "HAVE" in the non underlined are..shouldnt the correct answer have "HAVE".Please somebody consolidate the explanation for poor people like me:(
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Re: SC1000 #139 Chips [#permalink] New post 17 Oct 2009, 20:40
guys this is so not clear..PLEASE help.

both the power of the chips
and the electronic devices they drive have vastly increased.

Plural!How can the correct answer be B??
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Re: [#permalink] New post 22 Oct 2009, 00:41
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: SC1000 #139 Chips [#permalink] New post 23 Oct 2009, 07:20
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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 - 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
Re: SC1000 #139 Chips   [#permalink] 23 Oct 2009, 07:20
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