The simple concept of personal computing, : GMAT Sentence Correction (SC)
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# The simple concept of personal computing,

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Intern
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The simple concept of personal computing, [#permalink]

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20 Oct 2013, 00:00
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Difficulty:

55% (hard)

Question Stats:

51% (01:40) correct 49% (00:50) wrong based on 379 sessions

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The simple concept of personal computing, hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society, remains perhaps the most important technological idea of the last 50 years.

a) hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
b) which was hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
c) which was hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
d) hatched by several Silicon Valley entrepreneurs, and which permeates almost all of modern society
e) a concept hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
[Reveal] Spoiler: OA
If you have any questions
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Re: The simple concept of personal computing, [#permalink]

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20 Oct 2013, 02:54
Can someone explain why A is correct ?
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Re: The simple concept of personal computing, [#permalink]

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20 Oct 2013, 10:15
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Hi abhi398.

The simple concept of personal computing, hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society, remains perhaps the most important technological idea of the last 50 years.

a) hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
Correct. "hatched" (Verb-ed modifier) || permeating (Verb-ing modifier) <== both modify "the simple concept of PC".
Note:
* Verb+ed modifier ==> always modifies a preceding NOUN - a concept of personal computing. The modifier does not modifies the nearest noun - personal computing because of the critical mission preposition "OF".
* Verb-ing modifier + comma ==> modifies a preceding clause. The preceding part is not a clause, but a noun phrase. ==> "permeating" modifies "the simple concept of PC".

b) which was hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
Wrong. Parallelism problem.

c) which was hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
Wrong. Parallelism problem.

d) hatched by several Silicon Valley entrepreneurs, and which permeates almost all of modern society
Wrong. Parallelism problem.

e) a concept hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
Wrong. Parallelism problem.

Hope it helps.
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Re: The simple concept of personal computing, [#permalink]

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20 Oct 2013, 20:11
pqhai wrote:
Hi abhi398.

The simple concept of personal computing, hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society, remains perhaps the most important technological idea of the last 50 years.

a) hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
Correct. "hatched" (Verb-ed modifier) || permeating (Verb-ing modifier) <== both modify "the simple concept of PC".
Note:
* Verb+ed modifier ==> always modifies a preceding NOUN - a concept of personal computing. The modifier does not modifies the nearest noun - personal computing because of the critical mission preposition "OF".
* Verb-ing modifier + comma ==> modifies a preceding clause. The preceding part is not a clause, but a noun phrase. ==> "permeating" modifies "the simple concept of PC".

b) which was hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
Wrong. Parallelism problem.

c) which was hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
Wrong. Parallelism problem.

d) hatched by several Silicon Valley entrepreneurs, and which permeates almost all of modern society
Wrong. Parallelism problem.

e) a concept hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
Wrong. Parallelism problem.

Hope it helps.

Thanks pqhai .. Nicely explained

Kudos to you !!!!
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Re: The simple concept of personal computing, [#permalink]

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22 Oct 2013, 09:41
pqhai wrote:
Hi abhi398.

The simple concept of personal computing, hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society, remains perhaps the most important technological idea of the last 50 years.

a) hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
Correct. "hatched" (Verb-ed modifier) || permeating (Verb-ing modifier) <== both modify "the simple concept of PC".
Note:
* Verb+ed modifier ==> always modifies a preceding NOUN - a concept of personal computing. The modifier does not modifies the nearest noun - personal computing because of the critical mission preposition "OF".
* Verb-ing modifier + comma ==> modifies a preceding clause. The preceding part is not a clause, but a noun phrase. ==> "permeating" modifies "the simple concept of PC".

b) which was hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
Wrong. Parallelism problem.

c) which was hatched by several Silicon Valley entrepreneurs and permeating almost all of modern society
Wrong. Parallelism problem.

d) hatched by several Silicon Valley entrepreneurs, and which permeates almost all of modern society
Wrong. Parallelism problem.

e) a concept hatched by several Silicon Valley entrepreneurs and that permeated almost all of modern society
Wrong. Parallelism problem.

Hope it helps.

Until now I thought that for parallelism, one side needs to be parallel with the other i.e. -ed / -ed, or -ing / -ing. Now this jumps off!
a) thanks for the explanation
b) can you pinpoint to some references? I can't find something similar in the MGMAT SC guide...
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Re: The simple concept of personal computing, [#permalink]

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04 Jan 2015, 13:51
A is the only answer choice that maintains parallel structure.

"The simple concept of personal computing" is modified by:
- hatched by several Silicon Valley entrepreneurs. Verb-ED Modifier
- and permeating almost all of modern society. Verb-ING Modifier (with no comma)

Even if it sounds counterintuitive, a Verb-ED Modifier and a Verb-ING Modifier (with no comma) are parallel.

You can mix phrase + phrase (answer choice A) but you cannot mix phrase + clause (answer choices C, D, and E)
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Re: The simple concept of personal computing, [#permalink]

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19 May 2016, 06:29
Option A it is ... great explanation above
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Re: The simple concept of personal computing,   [#permalink] 19 May 2016, 06:29
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