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The standard computer keyboard, called QWERTY because of the arrangeme

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The standard computer keyboard, called QWERTY because of the arrangeme  [#permalink]

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New post 29 May 2017, 04:45
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48% (02:00) correct 52% (02:31) wrong based on 211 sessions

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The standard computer keyboard, called QWERTY because of the arrangement of the first six letters, is very inefficient. The letters were arranged in this odd but familiar manner when the first typewriters were being designed in the 1800s. When keys were arranged logically, typists could strike the keys very quickly. Early typewriters were so slow the fast typists caused mechanical problems in the machines. In order to slow down the typists, the keys were rearranged in a seemingly random order. If a manufacturer of computer keyboards were to arrange the keys in the most efficient manner, everyone would want to buy a new, improved keyboard.

If true, which of the following would most seriously weaken the above conclusion?

(A) Modern computer word-processing systems are much faster than the most accomplished typist and there is no reason to use the slower keyboard.
(B) Americans have universally adapted to the QWERTY keyboard and aren’t interested in learning an entirely new system.
(C) Discovering the most efficient arrangement of keys would require extensive tests on typists and non-typists alike.
(D) The human brain is incredibly adaptable and can adapt to any arrangement of the keyboard, even if it is less efficient.
(E) Computer keyboards include many keys that were not needed on manual or electric typewriters.

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The standard computer keyboard, called QWERTY because of the arrangeme  [#permalink]

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New post 29 May 2017, 06:18
How is B correct? By mentioning America in option B, it makes option B out of context wrt conclusion.
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Re: The standard computer keyboard, called QWERTY because of the arrangeme  [#permalink]

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New post 29 May 2017, 07:50
DeshDeepak wrote:
How is B correct? By mentioning America in option B, it makes option B out of context wrt conclusion.


First glance i also thought same.

lets see the conclusion :focus on colored part :

" If a manufacturer of computer keyboards were to arrange the keys in the most efficient manner, everyone would want to buy a new
improved keyboard."

Now i guess B will make sense to u....

lets check other choices:
(A) Modern computer word-processing systems are much faster than the most accomplished typist and there is no reason to use the slower keyboard.--Strengthen
(B) Americans have universally adapted to the QWERTY keyboard and aren’t interested in learning an entirely new system.---keep as per above explanation
(C) Discovering the most efficient arrangement of keys would require extensive tests on typists and non-typists alike.--out of context
(D) The human brain is incredibly adaptable and can adapt to any arrangement of the keyboard, even if it is less efficient.--this also does not weaken the argument .no reason why one will switch or not switch to efficient keyboard
(E) Computer keyboards include many keys that were not needed on manual or electric typewriters.--OOS again
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The standard computer keyboard, called QWERTY because of the arrangeme  [#permalink]

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New post 30 May 2017, 03:06
The only key to solve this question is the sentence "everyone would want to buy a new, improved keyboard.".

If I need to weaken it, I can say some do not want the improvement.

This is what option B is doing.

Americans do not want the improvement, hence conclusion is weakened.
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Re: The standard computer keyboard, called QWERTY because of the arrangeme  [#permalink]

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New post 21 Jun 2017, 11:28
Everyone has a brain that adapts, so they won't want the new style keyboard. Just like the Americans. Just my .02
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Re: The standard computer keyboard, called QWERTY because of the arrangeme  [#permalink]

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New post 14 Jul 2017, 11:14
OA B is about Americans and not everyone. D sounds a likely candidate.
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The standard computer keyboard, called QWERTY because of the arrangeme  [#permalink]

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New post 16 Jul 2017, 04:20
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Conclusion: Everyone would buy new, improved keyboard

Goal: Weaken above conclusion

(A) Modern computer word-processing systems are much faster than the most accomplished typist and there is no reason to use the slower keyboard.No impact on conclusion
(B) Americans have universally adapted to the QWERTY keyboard and aren’t interested in learning an entirely new system. Americans doesn't mean everyone, but overall it is a pretty good choice.
(C) Discovering the most efficient arrangement of keys would require extensive tests on typists and non-typists alike. Again, no impact on conclusion
(D) The human brain is incredibly adaptable and can adapt to any arrangement of the keyboard, even if it is less efficient.Looks like a strengthener
(E) Computer keyboards include many keys that were not needed on manual or electric typewriters.Argument never suggested using same layout as typewriter's.
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The standard computer keyboard, called QWERTY because of the arrangeme   [#permalink] 16 Jul 2017, 04:20
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