A computer equipped with signature-recognition software : GMAT Critical Reasoning (CR)
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# A computer equipped with signature-recognition software

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A computer equipped with signature-recognition software [#permalink]

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10 Aug 2008, 23:12
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Official Guide for GMAT Verbal Review, 2nd Edition
Practice Question
Question No.: 19
Page: 122
Difficulty:

A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person’s signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed. Even the most adept forgers cannot duplicate all of the characteristics the program analyzes.

Which of the following can be logically concluded from the passage above?

(A) The time it takes to record and analyze a signature makes the software impractical for everyday use.
(B) Computers equipped with the software will soon be installed in most banks.
(C) Nobody can gain access to a computer equipped with the software solely by virtue of skill at forging signatures.
(D) Signature-recognition software has taken many years to develop and perfect.
(E) In many cases even authorized users are denied legitimate access to computers equipped with the software.
[Reveal] Spoiler: OA

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Last edited by dentobizz on 21 Oct 2013, 21:27, edited 2 times in total.
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Re: cr-signature [#permalink]

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10 Aug 2008, 23:55
spriya wrote:
A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person’s signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed. Even the most adept forgers cannot duplicate all of the characteristics the program analyzes.
Which of the following can be logically concluded from the passage above?
(A) The time it takes to record and analyze a signature makes the software impractical for everyday use.
(B) Computers equipped with the software will soon be installed in most banks.
(C) Nobody can gain access to a computer equipped with the software solely by virtue of skill at forging signatures.
(D) Signature-recognition software has taken many years to develop and perfect.
(E) In many cases even authorized users are denied legitimate access to computers equipped with the software.

A) -> Out of place
B) -> Out of place
C) -> Yes, keep it
D) -> Out of place
E) -> Yes

Between C) and E), C) is better
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Re: cr-signature [#permalink]

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11 Aug 2008, 00:07
nmohindru wrote:
spriya wrote:
A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person’s signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed. Even the most adept forgers cannot duplicate all of the characteristics the program analyzes.
Which of the following can be logically concluded from the passage above?
(A) The time it takes to record and analyze a signature makes the software impractical for everyday use.
(B) Computers equipped with the software will soon be installed in most banks.
(C) Nobody can gain access to a computer equipped with the software solely by virtue of skill at forging signatures.
(D) Signature-recognition software has taken many years to develop and perfect.
(E) In many cases even authorized users are denied legitimate access to computers equipped with the software.

A) -> Out of place
B) -> Out of place
C) -> Yes, keep it
D) -> Out of place
E) -> Yes

Between C) and E), C) is better

Why do u select E too since E cannot be directly inferred with the given info at hand ?????

IMO C
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Re: cr-signature [#permalink]

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11 Aug 2008, 00:11
spriya wrote:
nmohindru wrote:
spriya wrote:
A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person’s signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed. Even the most adept forgers cannot duplicate all of the characteristics the program analyzes.
Which of the following can be logically concluded from the passage above?
(A) The time it takes to record and analyze a signature makes the software impractical for everyday use.
(B) Computers equipped with the software will soon be installed in most banks.
(C) Nobody can gain access to a computer equipped with the software solely by virtue of skill at forging signatures.
(D) Signature-recognition software has taken many years to develop and perfect.
(E) In many cases even authorized users are denied legitimate access to computers equipped with the software.

A) -> Out of place
B) -> Out of place
C) -> Yes, keep it
D) -> Out of place
E) -> Yes

Between C) and E), C) is better

Why do u select E too since E cannot be directly inferred with the given info at hand ?????

IMO C

The stress is on forging and not about authorized users being denied access. " Even the most adept forgers cannot duplicate all of the characteristics the program analyzes."
Therefore I will go with C)

Last edited by nmohindru on 11 Aug 2008, 05:45, edited 1 time in total.
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Re: cr-signature [#permalink]

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11 Aug 2008, 02:35
IMO C
E can be ruled out easily as the focus of the argument is on forgers. It talks nothing about authorised users. I think there is a similar q which talks of authorised users not getting access but in that one such a case is clearly mentioned in the q stem
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Re: cr-signature [#permalink]

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12 Aug 2008, 03:11
IMO C

C wins because it directly connects to the root of the conclusion-which is that forgers wont be able to gain access to a computer with that kind of software.

OA PLS?
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Re: cr-signature [#permalink]

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12 Aug 2008, 04:09
An easy question. Is C
We have "computer equipped with signature-recognition software" and "forgers"

A. Nothing about "time" in text
B. Nothing about such an intention
C. Is ok
D. Out of problem
E. Out of problem
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Re: cr-signature [#permalink]

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19 Mar 2012, 17:37
I have picked the answer C for this question:

From the passage, there are 3 things that the software looks to identify an authentic signature:
1. Form of the signature
2. Pen Pressure
3. Signing Speed

Since the question stem is a MUST BE TRUE question, we can always look back at the passage to clarify our answer choice. I didn't even both prephrasing because there are too many possibilities - in this case I jumped straight into the answer choices.

A. Nowhere in the passage do we talk about the software being impractical for use.

The structure of the argument is:
1. Describes how the software identifies signature
2. Explains how forgers can't duplicate all characteristics to gain access

So, it is clear that this answer choice incorrect.

B. Where do we mention installation of software in most banks? Yea, I thought so...definitely incorrect.

C. This answer choice is correct because it describes how forgers cannot obtain access simply by copying "The form of the signature." In order to get access, you need all 3 components: form, speed and pen pressure.

D. Nowhere do we mention the time it took to develop this software. Incorrect.

E. Although this answer may look correct, there are a few things to mention here:

1. The first 3 words "In many cases," sounds to me like most of the time, authorized users are denied access. This wording is quite strong and I cannot find it anywhere in the passage where users are denied access "in many cases."

2. From the passage, can we even prove that users are ever denied access? There is nothing suggesting that they are ever denied access - this software could be perfect.

Therefore, answer choice E may or may not be true. So, this answer is incorrect.
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Re: cr-signature [#permalink]

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19 Mar 2012, 22:28
Straight C among other options
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Re: A computer equipped with signature-recognition software [#permalink]

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06 Oct 2013, 13:11
bumping up for review and further discussion
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Re: A computer equipped with signature-recognition software [#permalink]

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14 Oct 2013, 05:15
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spriya wrote:
A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person’s signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed. Even the most adept forgers cannot duplicate all of the characteristics the program analyzes.

Which of the following can be logically concluded from the passage above?

(A) The time it takes to record and analyze a signature makes the software impractical for everyday use.
(B) Computers equipped with the software will soon be installed in most banks.
(C) Nobody can gain access to a computer equipped with the software solely by virtue of skill at forging signatures.
(D) Signature-recognition software has taken many years to develop and perfect.
(E) In many cases even authorized users are denied legitimate access to computers equipped with the software.

Between (C) and (E), wow, that's a close call.
I chose (C) fortunately just to be super safe on this one.
But regarding E, is it really fair to say that it is wrong because the stimulus focuses on forgers rather than authorized users hence out of scope?

Wanna hear some thoughts about this
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Re: A computer equipped with signature-recognition software [#permalink]

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15 Dec 2013, 06:35
Isn't C very extreme. If we are talking about very skilful forgers, then they may find a way to beat the system by copying the speed and pressure. If the option stated many, then C would be the clear winner.

For E, lets assume a person uses fountain pen for the first time, so the pressure won't be too much. Next time, he uses ball pen, so there will be increase in pressure.
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Re: A computer equipped with signature-recognition software [#permalink]

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19 Dec 2013, 11:05
+1C. A typical argument type that GMAT likes to test.
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Re: A computer equipped with signature-recognition software   [#permalink] 19 Dec 2013, 11:05
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