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# Computer operating system software has become increasingly

Author Message
Senior Manager
Joined: 12 Mar 2009
Posts: 308

Kudos [?]: 462 [0], given: 1

Computer operating system software has become increasingly [#permalink]

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01 Jul 2009, 01:42
00:00

Difficulty:

(N/A)

Question Stats:

67% (00:02) correct 33% (00:00) wrong based on 10 sessions

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Which one of the following, if true, supports the conclusion in the passage?
(A) Standardization of computer operating system software has increased computer compatibility among different businesses.
(B) Correcting any damage resulting from an invasion by a computer virus program is more expensive than preventing the damage.
(C) It is not costly for a business to maintain incompatible computer operating systems.
(D) There are other kinds of destructive computer programs that do not depend on inter-computer links.
(E) Not all businesses need to share date among their internal computer systems.

The OA is
[Reveal] Spoiler:
b

Kudos [?]: 462 [0], given: 1

Director
Joined: 03 Jun 2009
Posts: 782

Kudos [?]: 917 [1], given: 56

Location: New Delhi
WE 1: 5.5 yrs in IT
Re: Computer operating system software [#permalink]

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10 Jul 2009, 04:44
1
KUDOS
Conclusion: Operating systems should have variations

We have to find an option which strengthens the conclusion.

(A) Standardization of computer operating system software has increased computer compatibility among different businesses. -Argument strictly talking about computer network on 1 business, not across businesses. Evident from "when a large business with multiple, linked computer systems....."
(B) Correcting any damage resulting from an invasion by a computer virus program is more expensive than preventing the damage. -Correct. Supports the conclusion
(C) It is not costly for a business to maintain incompatible computer operating systems. -Author talking about compatible systems. Evident from "without any lose of computer compatibility...."
(D) There are other kinds of destructive computer programs that do not depend on inter-computer links. -Irrelevant.
(E) Not all businesses need to share date among their internal computer systems. -Irrelevant. Author saying "a computer vandal who gains access to one computer automatically has access to the data on all the computers..."
_________________

Kudos [?]: 917 [1], given: 56

Manager
Joined: 17 Apr 2009
Posts: 148

Kudos [?]: 28 [0], given: 0

Re: Computer operating system software [#permalink]

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10 Jul 2009, 04:21
the conclusion is it is advisable for businesses to implement such variations.

out of the two probable ans B and C ,B makes a comparision between two scenarios and thus aptly supports the conclusion.
C speaks about only one scenario;does not tell us about the other scenario.
Thus it does not completely support the conclusion

Kudos [?]: 28 [0], given: 0

Manager
Joined: 15 May 2009
Posts: 168

Kudos [?]: 30 [0], given: 3

Re: Computer operating system software [#permalink]

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12 Jul 2009, 12:14
vaivish1723 wrote:
Which one of the following, if true, supports the conclusion in the passage?
(A) Standardization of computer operating system software has increased computer compatibility among different businesses.
(B) Correcting any damage resulting from an invasion by a computer virus program is more expensive than preventing the damage.
(C) It is not costly for a business to maintain incompatible computer operating systems.
(D) There are other kinds of destructive computer programs that do not depend on inter-computer links.
(E) Not all businesses need to share data among their internal computer systems.

(A) out of scope; original info restricts scope to compatibility within one business, NOT among many businesses.
(C) This slightly weakens the argument, it suggests using different OS is just as good as making minor modifications.
(D) Again, a minor weaken; this suggests the proposed modifications cannot prevent certain types of damages.
(E) Also weakens the argument (although not very effectively), this suggests using variants of the same OS is not necessary in some cases.

(B) By POE, this is what's left. It supports the argument by outlining a benefit of this proposal.

Kudos [?]: 30 [0], given: 3

Manager
Joined: 27 Jun 2008
Posts: 155

Kudos [?]: 34 [0], given: 11

Re: Computer operating system software [#permalink]

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23 Jul 2009, 01:34
B) well explained bigoyal. +1

Kudos [?]: 34 [0], given: 11

Re: Computer operating system software   [#permalink] 23 Jul 2009, 01:34
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# Computer operating system software has become increasingly

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