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By the late 1940s, ENIAC, the first electronic digital [#permalink]
 16 Aug 2009, 07:43
Question Stats:
83% (01:49) correct
16% (01:36) wrong based on 0 sessions
By the late 1940s, ENIAC, the first electronic digital computer was able to compute was able to compute a ballistics trajectory in about 30 seconds, and it was much less time than the 20 hours required to perform the same calculations with a desk calculator.
a) computer was able to compute a ballistics trajectory in about 30 seconds, and it was
b)computer, which was able to compute a ballistics trajectory in about 30 seconds, was
c) computer, was able to compute ballistics trajectory in about 30 seconds,
d) computer was able to compute a ballistics trajectory in about 30 seconds, being
e) computer, and was to compute ballistics trajectory in about 30 seconds, and was
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By the late 1940s, ENIAC, the first electronic digital computer was able to compute a ballistics trajectory in about 30 seconds, and it was much less time than the 20 hours required to perform the same calculations with a desk calculator.
a) computer was able to compute a ballistics trajectory in about 30 seconds, and it was
b)computer, which was able to compute a ballistics trajectory in about 30 seconds, was
c) computer, was able to compute ballistics trajectory in about 30 seconds,
d) computer was able to compute a ballistics trajectory in about 30 seconds, being
e) computer, and was to compute ballistics trajectory in about 30 seconds, and was
IMO A.... what is the OA....
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tkarthi4u wrote: By the late 1940s, ENIAC, the first electronic digital computer was able to compute was able to compute a ballistics trajectory in about 30 seconds, and it was much less time than the 20 hours required to perform the same calculations with a desk calculator.
a) computer was able to compute a ballistics trajectory in about 30 seconds, and it was
b)computer, which was able to compute a ballistics trajectory in about 30 seconds, was
c) computer, was able to compute ballistics trajectory in about 30 seconds, //at the end it needs a verb.
d) computer was able to compute a ballistics trajectory in about 30 seconds, being
e) computer, and was to compute ballistics trajectory in about 30 seconds, and was we need a comma after 'computer' since it is a modifier of ENIAC. So A is gone. I think 'which' in B needs to refer to 'first digital computer' so this is correct. IMO B.
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also computer was much less time dsnt make sense................. What is the OA
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IMO C
A. pronoun error, it must refer a noun, here 'it' refers to computation
B. computer being the subject, "computer, which was able to compute a ballistics trajectory in about 30 seconds, was"the second was also has the subject computer, comparison error, computer is compared with time.
C. correct
D. same as B
E. computer, and was to compute .. wrong usuage of and
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This was taken from the Princeton Work book. I do not have th OA. I put it so that we could discuss.
If anybody has please help .
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should be C....
much less time at the end of the sentence gives a clue to this end.
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IMO the answer is C. Since the sentence starts with "By the late.. " you need verb "was .." What is the OA?
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Good one Thanku for the explanations
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Re: By the late 1940s, ENIAC, the first electronic digital [#permalink]
01 Dec 2011, 19:51
Quote: By the late 1940s, ENIAC, the first electronic digital computer, which was able to compute a ballistics trajectory in about 30 seconds, was much less time than the 20 hours required to perform the same calculations with a desk calculator.
b)computer, which was able to compute a ballistics trajectory in about 30 seconds, was
c) computer, was able to compute ballistics trajectory in about 30 seconds, I prefer C to B. The non-underlined part "much less time than the 20 hours required to perform the same calculations with a desk calculator" is the adjective clause for the underline part. In choice B, "the first ... computer" modifies ENIAC, and the part "which was able to compute...30 seconds" modifies computer incorrectly. "was" here is the main verb of the sentence.
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Re: By the late 1940s, ENIAC, the first electronic digital [#permalink]
11 Jun 2012, 02:35
tkarthi4u wrote: By the late 1940s, ENIAC, the first electronic digital computer was able to compute was able to compute a ballistics trajectory in about 30 seconds, and it was much less time than the 20 hours required to perform the same calculations with a desk calculator.
a) computer was able to compute a ballistics trajectory in about 30 seconds, and it was
b)computer, which was able to compute a ballistics trajectory in about 30 seconds, was
c) computer, was able to compute ballistics trajectory in about 30 seconds,
d) computer was able to compute a ballistics trajectory in about 30 seconds, being
e) computer, and was to compute ballistics trajectory in about 30 seconds, and was i pick C here. in A 'it' is ambiguous. B is just awkward construction. in C much less time correctly modifies 30 seconds.
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Re: By the late 1940s, ENIAC, the first electronic digital [#permalink]
11 Jun 2012, 02:52
By the late 1940s, ENIAC, the first electronic digital computer was able to compute a ballistics trajectory in about 30 seconds, and it was much less time than the 20 hours required to perform the same calculations with a desk calculator.
a) computer was able to compute a ballistics trajectory in about 30 seconds, and it was
b)computer, which was able to compute a ballistics trajectory in about 30 seconds, was
c) computer, was able to compute ballistics trajectory in about 30 seconds,
d) computer was able to compute a ballistics trajectory in about 30 seconds, being
e) computer, and was to compute ballistics trajectory in about 30 seconds, and was
Hi,
My understanding :
Lets make a split : A,D ( without comma ) n B,C,E ( with comma )
A : .......... IT no clear referrent = eliminated
D : see the later half = .........Being much less time = doesnt make sense = eliminated
Of B,C,E :
E : Eniac, ........(M)............., and was = remove the middle portion & reread = Eniac , and was ........ = doesn"t make sense + eliminated
B : ......................Was much less time = Eliminated
Leading to C :
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Re: By the late 1940s, ENIAC, the first electronic digital [#permalink]
11 Jun 2012, 05:06
IMO :C By the late 1940s, ENIAC, the first electronic digital computer was able to compute a ballistics trajectory in about 30 seconds, and it was much less time than the 20 hours required to perform the same calculations with a desk calculator. a) computer was able to compute a ballistics trajectory in about 30 seconds, and it was ( It refer To Computer which wont be time so its wrong)b)computer, which was able to compute a ballistics trajectory in about 30 seconds, was ( Here again Computer wont be time , so its wrong again)c) computer, was able to compute ballistics trajectory in about 30 seconds, (It is correct as "much less time than the 20 hours required to perform the same calculations with a desk calculator " is modifier here which modify the "30 seconds" time) d) computer was able to compute a ballistics trajectory in about 30 seconds, being ("Being" is used , sentence become wordy) e) computer, and was to compute ballistics trajectory in about 30 seconds, and was (Two "AND " are used => Fragment sentence) Hence IMO:C
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Re: By the late 1940s, ENIAC, the first electronic digital [#permalink]
11 Aug 2012, 00:49
its clear..its C.. Aiming to nail it this time 
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Re: By the late 1940s, ENIAC, the first electronic digital [#permalink]
11 Aug 2012, 10:13
The last part of sentence "much less time than the 20 hours required to perform the same calculations with a desk calculator" indicates that it is modifying "time/duration" Only C fits here.
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Re: By the late 1940s, ENIAC, the first electronic digital
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11 Aug 2012, 10:13
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