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As the etched lines on computer memory chips have become thinner and

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

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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

Originally posted by bmwhype2 on 10 Aug 2007, 10:28.
Last edited by Bunuel on 07 Dec 2018, 03:37, edited 3 times in total.
Renamed the topic and edited the question.
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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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New post 14 Jul 2014, 07:13
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SidKaria 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.(GMAT Prep)



1) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have
2) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has
3) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has
4) their circuits are more complex, the power of both the chips and the electronic devices they drive have
5) their circuits more complex, both the power of the chips and the electronic devices they drive have


intended meaning-as the etched line on the comp memory chips have become thinner and the chip's circuits more complex,both the power of chips and the power of the electronic devices the chips drive have vastly increased.

1) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have.
incorrect- it says that the power of chips and electronic devices they drive has increased.(if this would have been the intended meaning then there was no need for using "both") can i reject the anser choice on this basis ?
DOUBT- dont know whether the entities are parallel?? i think they are."the power of the chips"- noun +noun modifier." the electronic devices they drive"- noun + noun modifier.

2) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has-
correct: both x and y.where, x and y are parallel. the chips- noun. electonic devices they drive. noun+modifier.(if one entity has a modifier and the other doesn't they still can be parallel)


In the above sentences it seems that "As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex" is parallel. and in the 2nd part of the sentence "have become"is implied. how can we assume that.And if that is not the case then 1st part is a clause and 2nd part is a phrase(no verb). please help .


3)the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has-
incorrect- repeats the error in A(intended meaning) uses singluar has for plural subject(x and y )

4)their circuits are more complex, the power of both the chips and the electronic devices they drive have
incorrect- the power is singular while have is plural. their is ambiguous.

Doubt-As the etched lines on computer memory chips have become thinner and their circuits are more complex. is this parallel ?? both are clauses, but have different tenses.
i think its parallel but incorrect because "their circuits are more complex" is incomplete. more complex than what ?? if we say that their circuits have become more complex it makes sense because its implied that we are comparing the present chip's circuits with the past chip's circuits.

5)their circuits more complex, both the power of the chips and the electronic devices they drive have-
incorrect- their is ambiguous. repeats the error in A(intended meaning)

doubt- we come to know about the intended meaning of the sentence from the first option, in this case i think that the 2nd optio9n is more logical but isnt there a possibility that the sentence is correct as it is.

1)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.

meaning- because of the changes on the computer memory chips, the power of the chips and the number of electronic devices the chips drive have increased. (so beacuse of the changes more electronic devices can be driven using the chips.

please help.
thank you.



Hi Siddhartha,
Thank you for posting your query here. :)

Let’s apply the e-GMAT 3 step process to the given sentence:

SENTENCE STRUCTURE
• As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex, (Clause-1)
• both the power of the chips and the electronic devices (Clause-2)
o they drive (Clause-3)
o have vastly increased. (Clause-2 Contd.)

Image
• This sentence tells us about two related events. It says as X has happened, Y has happened. Let’s see what are these two events:
• X: The etched lines on computer memory chips have become thinner and the chips’ circuits (have become) more complex.
• Y: Both the power of the chips and the electronic devices have increased.

Image

Error Analysis

From the meaning analysis, we can logically say that the two changes in the memory chips have resulted in increase in the power of the chips.
However, it is not logical to say that these changes have led to increase in the devices they drive. The changes in etched lines and the chips’ circuits cannot increase the number of devices. Increase in the number of devices these chips drive depend on many other factors. Hence, despite being GRAMMATICALLY correct, this choice stands LOGICALLY incorrect.

PROCESS OF ELIMINATION

OPTION A: Incorrect
For the reasons stated above.

The expression “both X and Y” does not have any error. It is correctly used. However, the error lies in the illogical meaning.
Yes, you are correct. The entities are parallel.



OPTION B: Correct
This choice is grammatically as well as logically correct. The changes in the memory chips have resulted in increase in power of two things:
1) The chips,
2) And the devices they drive.

In this sentence, we have ellipsis at play.
• As the etched lines on computer memory chips have become thinner and the chips’ circuits (have become) more complex, the power of both the chips and the electronic devices they drive has vastly increased.
Option B can be written in the above mentioned way as well. Since the verb "have become" already exists in the sentence, there is no need of repeating the same verb again. This is the usage and function of ellipsis. We do have a clause after "and" as well. It is just not written in the clause form because of ellipsis. Please refer to the following article to learn more about ellipsis:


how-far-ellipsis-is-permissible-in-comparison-148973.html


OPTION C: Incorrect
1. Use of “are” is incorrect. The effect of the changes can still be felt in the present. So, the verb used should be in the present perfect tense (have become).
2. Repeats the logical parallelism error (illogical meaning error) as in choice A.
3. Singular verb “has vastly increased” does not agree in number with its plural subject.
4. When we say “the chips’ circuits are more complex”, we need to mention more complex than what. So, the comparison is incomplete. However, if we say “the chips’ circuits have become more complex”, it means that we are comparing the circuits to their earlier versions. (You are absolutely correct here.)


OPTION D: Incorrect
1. Same verb tense and comparison error as in choice C.
2. Plural verb “have” does not agree in number with its singular subject “the power”.

OPTION E: Incorrect
1. Repeats the logical parallelism error (illogical meaning error) as in choice A.

I won’t say that “their” is ambiguous here. There are only two possible plural antecedents: lines and chips. However, it is illogical to say that the lines’ circuits have become more complex, since lines do not have circuits.


Hope this helps! :)
Deepak
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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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

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New post 10 Aug 2007, 12:10
5
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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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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

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

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New post 11 Aug 2007, 07:43
1
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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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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New post 11 Aug 2007, 18:35
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
2) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has
3) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has
4) their circuits are more complex, the power of both the chips and the electronic devices they drive have
5) their circuits more complex, both the power of the chips and the electronic devices they drive have


intended meaning-as the etched line on the comp memory chips have become thinner and the chip's circuits more complex,both the power of chips and the power of the electronic devices the chips drive have vastly increased.

1) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have.
incorrect- it says that the power of chips and electronic devices they drive has increased.(if this would have been the intended meaning then there was no need for using "both") can i reject the anser choice on this basis ?
DOUBT- dont know whether the entities are parallel?? i think they are."the power of the chips"- noun +noun modifier." the electronic devices they drive"- noun + noun modifier.

2) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has-
correct: both x and y.where, x and y are parallel. the chips- noun. electonic devices they drive. noun+modifier.(if one entity has a modifier and the other doesn't they still can be parallel)


In the above sentences it seems that "As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex" is parallel. and in the 2nd part of the sentence "have become"is implied. how can we assume that.And if that is not the case then 1st part is a clause and 2nd part is a phrase(no verb). please help .


3)the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has-
incorrect- repeats the error in A(intended meaning) uses singluar has for plural subject(x and y )

4)their circuits are more complex, the power of both the chips and the electronic devices they drive have
incorrect- the power is singular while have is plural. their is ambiguous.

Doubt-As the etched lines on computer memory chips have become thinner and their circuits are more complex. is this parallel ?? both are clauses, but have different tenses.
i think its parallel but incorrect because "their circuits are more complex" is incomplete. more complex than what ?? if we say that their circuits have become more complex it makes sense because its implied that we are comparing the present chip's circuits with the past chip's circuits.

5)their circuits more complex, both the power of the chips and the electronic devices they drive have-
incorrect- their is ambiguous. repeats the error in A(intended meaning)

doubt- we come to know about the intended meaning of the sentence from the first option, in this case i think that the 2nd optio9n is more logical but isnt there a possibility that the sentence is correct as it is.

1)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.

meaning- because of the changes on the computer memory chips, the power of the chips and the number of electronic devices the chips drive have increased. (so beacuse of the changes more electronic devices can be driven using the chips.

please help.
thank you.
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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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

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New post 16 Sep 2007, 03:09
2
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: As the etched lines on computer memory chips have become thinner and  [#permalink]

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New post 16 Sep 2007, 22:09
2
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: As the etched lines on computer memory chips have become thinner and  [#permalink]

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

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New post 21 Dec 2010, 11:20
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Let us sort out a few things first.

What is the subject of the main clause “both the power of the chips and the electronic devices they drive has vastly increased? Is it ‘both the power’ or ‘the power of both”? This is essential to fix the SV number agreement, the one that is being tested here.

It is wrong to say ‘both the power of the chips and the electronic devices’, because if we are meaning to use power in the plural sense, then it should be ‘both the powers’. On the contrary, the power is meant to be used in singular here, byusibg the term ‘the power of both chips and the devices’ .
The clue therefore is that the right choice will use as subject ‘the power of both’ and as verb ‘has’
Going by this norm, B alone is the winner all the way.
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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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New post 23 Apr 2012, 02:10
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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?
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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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New post 22 Apr 2017, 09:41
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


Both the power is wrong and the power of both is the correct usage and convey the correct intended meaning.

the Power is singular 'has' should be used to represent singular.
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Re: As the etched lines on computer memory chips have become thinner and  [#permalink]

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New post 09 Jan 2018, 19:48
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 -- Parallelism -illogical meaning in both the power of the chips and the electronic devices they drive
(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 as A ; subject-verb agreement issue
(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have - subject-verb agreement issue -- the power is singular and thus needs has verb
(E) their circuits more complex, both the power of the chips and the electronic devices they drive have -- Parallelism -illogical meaning same as A

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

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New post 10 Jan 2018, 11:16
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
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Re: As the etched lines on computer memory chips have become thinner and &nbs [#permalink] 10 Jan 2018, 11:16
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