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# A computer equipped with signature-recognition software

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Intern
Joined: 14 Jan 2006
Posts: 21
A computer equipped with signature-recognition software  [#permalink]

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Updated on: 02 Aug 2018, 19:59
4
14
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Difficulty:

5% (low)

Question Stats:

86% (01:14) correct 14% (01:29) wrong based on 2073 sessions

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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.

Official Guide for GMAT Verbal Review, 2nd Edition
Practice Question
Question No.: CR07618
Page: 122
Difficulty: Low

Originally posted by thingZero on 25 Jan 2006, 17:48.
Last edited by bb on 02 Aug 2018, 19:59, edited 5 times in total.
Formatted the prompt
VP
Joined: 21 Sep 2003
Posts: 1027
Location: USA
Re: A computer equipped with signature-recognition software  [#permalink]

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25 Jan 2006, 18:24
C is the only one that makes sense.

To gain three things are needed:
1. correct signature
2. Signing speed
3. Pen Pressure

C tells us that if only #1 is true, you will not gain access.

Concluding E would be too much from the above argument.
_________________

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

- Bernard Edmonds

Manager
Joined: 13 Aug 2005
Posts: 129
Re: A computer equipped with signature-recognition software  [#permalink]

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25 Jan 2006, 18:25
I agree with C.
E is probable but very stretched.
Director
Joined: 04 Oct 2005
Posts: 558
Location: Chicago
Re: A computer equipped with signature-recognition software  [#permalink]

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25 Jan 2006, 20:23
Dont you guys think that C is very strong.. "nobody"

E is a lil on the moderate side..where in if a genuine user doesnt gives the same pressure on signatures, he might get rejected..
so E i would choose
GMAT Club Legend
Joined: 29 Jan 2005
Posts: 4979
Re: A computer equipped with signature-recognition software  [#permalink]

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25 Jan 2006, 20:28
Yes, C is way too extreme.

Like fingerprints and personalities, no two signatures are exactly alike.

I`ll bet the farm and my retirement savings on (E).
CEO
Joined: 20 Nov 2005
Posts: 2781
Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008
Re: A computer equipped with signature-recognition software  [#permalink]

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25 Jan 2006, 23:21
1
I will go with C.
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VP
Joined: 06 Jun 2004
Posts: 1008
Location: CA
Re: A computer equipped with signature-recognition software  [#permalink]

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25 Jan 2006, 23:40
Yes, C is too extreme.

E is nice/generic and it summarizes the complexity of the program.
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Don't be afraid to take a flying leap of faith.. If you risk nothing, than you gain nothing...

VP
Joined: 21 Sep 2003
Posts: 1027
Location: USA
Re: A computer equipped with signature-recognition software  [#permalink]

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26 Jan 2006, 00:11
TeHCM wrote:
Yes, C is too extreme.

E is nice/generic and it summarizes the complexity of the program.

I think I understand why C is wrong.

In C the part that got me was "solely by virtue of forging skills". - The argument does not define what exactly forging skills mean.
Although the argument mentiones that even the most adept (known) forgers cannot crack the system, there is still is a possibility that somone named TeHCM, who is from CA, could crack it!

Moreover as you and MATT mentioned, extreme conclusions are not usually right.
_________________

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

- Bernard Edmonds

VP
Joined: 06 Jun 2004
Posts: 1008
Location: CA
Re: A computer equipped with signature-recognition software  [#permalink]

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26 Jan 2006, 00:23
giddi77 wrote:
TeHCM wrote:
Yes, C is too extreme.

E is nice/generic and it summarizes the complexity of the program.

I think I understand why C is wrong.

In C the part that got me was "solely by virtue of forging skills". - The argument does not define what exactly forging skills mean.
Although the argument mentiones that even the most adept (known) forgers cannot crack the system, there is still is a possibility that somone named TeHCM, who is from CA, could crack it!

Moreover as you and MATT mentioned, extreme conclusions are not usually right.

Yeah, words such as "none", "all", and the likes should immediately set off an alarm
_________________

Don't be afraid to take a flying leap of faith.. If you risk nothing, than you gain nothing...

Intern
Joined: 14 Jan 2006
Posts: 21
Re: A computer equipped with signature-recognition software  [#permalink]

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26 Jan 2006, 15:32
OA is 'C'

I picked 'E' too for the same reason that it was extreme. Still not convinced that 'C' is right.
Director
Joined: 04 Oct 2005
Posts: 558
Location: Chicago
Re: A computer equipped with signature-recognition software  [#permalink]

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26 Jan 2006, 19:17
1
GMATT73 wrote:
Yes, C is way too extreme.

Like fingerprints and personalities, no two signatures are exactly alike.

I`ll bet the farm and my retirement savings on (E).

MATT : Should i send you my bank account number where in you can deposit your retirement savings..
GMAT Club Legend
Joined: 29 Jan 2005
Posts: 4979
Re: A computer equipped with signature-recognition software  [#permalink]

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26 Jan 2006, 19:48
Haven`t actually started a retirement savings so didn`t lose much
But the farm....
VP
Joined: 29 Dec 2005
Posts: 1288
Re: A computer equipped with signature-recognition software  [#permalink]

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27 Jan 2006, 18:37
1
GMATT73 wrote:
Haven`t actually started a retirement savings so didn`t lose much
But the farm....

& the farm title is not in your name, right................!!!
GMAT Club Legend
Joined: 29 Jan 2005
Posts: 4979
Re: A computer equipped with signature-recognition software  [#permalink]

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27 Jan 2006, 20:43
Professor wrote:
GMATT73 wrote:
Haven`t actually started a retirement savings so didn`t lose much
But the farm....

& the farm title is not in your name, right................!!!

You guessed it Looks like I`ll get a paddling for this one
Director
Joined: 26 Sep 2005
Posts: 536
Location: Munich,Germany
Re: A computer equipped with signature-recognition software  [#permalink]

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27 Jan 2006, 21:17
thingZero wrote:
A computer equipped with signature-recognition
those people whose signatures are on file, identifies a
personâ€™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.
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
the software.

I go with c here. the key here is "most adept forgers" which could mean that guys however skillful at forging the signature itself might not be able to replicate other characteristics such as pressure and speed.

although I do agree that the answer can be extreme- I guess this is the most "logical" conclusion. E talks about denying legitimate access but doesnt encapsulate other poins mentioned in the stem.

dont know how much this make sense - just my two cents.
CEO
Joined: 17 Jul 2004
Posts: 3273
Re: A computer equipped with signature-recognition software  [#permalink]

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28 Jan 2006, 14:18
Choice E is exogenous- it is not directly supported by the passage.

Choice C is the winner by default- "nobody" rightfully raises a red flag but I sensed where the author was going with question
Manager
Joined: 27 Jan 2006
Posts: 99
Location: Barcelona
Re: A computer equipped with signature-recognition software  [#permalink]

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29 Jan 2006, 06:44
Concluded it was C untill i saw flags being raised. Went back to check the answers and the logic.

Three charecteristics of a signature are given. The form, pen presure and the signing speed with the form being given the importance. The author goes on to say that the most adept forgers cannot duplicate all the three characteristics that the program analyzes for.

C implies that somebody who relies on just forging the signature cannot enter the computer.

Given the answer choices, this is the best one that could be logically concluded.
_________________

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Intern
Joined: 14 Jan 2006
Posts: 21
Re: A computer equipped with signature-recognition software  [#permalink]

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29 Jan 2006, 13:45
El Torro wrote:
Concluded it was C untill i saw flags being raised. Went back to check the answers and the logic.

Three charecteristics of a signature are given. The form, pen presure and the signing speed with the form being given the importance. The author goes on to say that the most adept forgers cannot duplicate all the three characteristics that the program analyzes for.

C implies that somebody who relies on just forging the signature cannot enter the computer.

Given the answer choices, this is the best one that could be logically concluded.

El Torro - I get it now. Thanks for pointing it out.
Manager
Joined: 28 Sep 2011
Posts: 138
Re: A computer equipped with signature-recognition software  [#permalink]

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19 Mar 2012, 17:37
1
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.
Intern
Joined: 04 Aug 2013
Posts: 6
Re: A computer equipped with signature-recognition software  [#permalink]

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28 Sep 2013, 18:32
So the correct answer is C, but I too believe it is too extreme. I picked (wrongly) E. I'm trying to understand why C is correct and still cannot follow. Anybody? I thought you shouldn't pick CR answers that are extreme, like these ones. To me, "even the most adept forgers" doesn't rule out the possibility that a forger gets luck w/ the pen pressure and speed. I'd be super thankful if someone can shed some light.
Re: A computer equipped with signature-recognition software &nbs [#permalink] 28 Sep 2013, 18:32

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