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Computer operating system software has become increasingly

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Senior Manager
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Computer operating system software has become increasingly [#permalink] New post 01 Jul 2009, 00:42
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

100% (00:00) correct 0% (00:00) wrong based on 0 sessions
2. Computer operating system software has become increasingly standardized. But when a large business with multiple, linked computer systems uses identical operating system software on all of its computers, a computer vandal who gains access to one computer automatically has access to the data on all the computers. Using a program known as a “virus,” the vandal can then destroy much of the data on all the computers. If such a business introduced minor variations into its operating system software, unauthorized access to all the computers at the same time could be virtually eliminated. Furthermore variations in operating system software can be created without any lose of computer compatibility to the business. Therefore, it is advisable for businesses to implement such variations.
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


Please Explain
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Re: Computer operating system software [#permalink] New post 10 Jul 2009, 03:44
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Evidence: Standardization of operating systems, easy access to virus
Conclusion: Operating systems should have variations
(both these surrounding around businesses)

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..."
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Re: Computer operating system software [#permalink] New post 10 Jul 2009, 03:21
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
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Re: Computer operating system software [#permalink] New post 12 Jul 2009, 11:14
vaivish1723 wrote:
2. Computer operating system software has become increasingly standardized. But when a large business with multiple, linked computer systems uses identical operating system software on all of its computers, a computer vandal who gains access to one computer automatically has access to the data on all the computers. Using a program known as a “virus,” the vandal can then destroy much of the data on all the computers. If such a business introduced minor variations into its operating system software, unauthorized access to all the computers at the same time could be virtually eliminated. Furthermore variations in operating system software can be created without any lose of computer compatibility to the business. Therefore, it is advisable for businesses to implement such variations.
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.
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Re: Computer operating system software [#permalink] New post 23 Jul 2009, 00:34
B) well explained bigoyal. +1
Re: Computer operating system software   [#permalink] 23 Jul 2009, 00:34
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