PT131.S4.P1.Q1 > Analytics

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Passage A.

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Intro topic · Climate prediction models

Concern · Impacts of slight changes in variables

Response · Brute force method

Test all possible combinations of variables using different values.

Problem · Brute force method is too intensive for individual computers

Solution · Divide calculations between mutliple connected computers

Example · Solution's (limited) success

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Intro topic · Using parallel processes to solve problems

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Example · Parallel process

Ants working together to forage for food.

Passage Style

Which one of the following ████ ██████████ █████████ ███ ████ █████ ██ ███████ ██

Question Type

Main point

Author B wants to tell us about the paradigm shift in computing from sequential computing to parallel computing. The first two paragraphs describe parallel problems, and the last paragraph describe the paradigm shift occurring that helps solve these problems.

Many difficult problems ██ █████████ ███ █████████ █████████

This is something Author B says, but the main point isn’t the idea that many computing problems are parallel. It’s that there’s a shift from sequential computing to parallel computing. Parallel computing helps solve the problems that are naturally parallel.

Sequential computing is ██ ██████ ██████ ███████ ██ ███ █████ ██████ ██ ████████

Not supported, because Author B never suggests sequential computing isn’t useful anymore. It may not be as useful for many problems as parallel computing is, but that doesn’t mean sequential computing isn’t useful. Since (B) isn’t supported, it’s not the main point.

There is currently █ ████████ █████ █████████ ██ ███ █████ ██ █████████ ██████ ████████ ██████████

This best captures the point, which is that we are shifting from sequential computing to parallel computing.

88%

Complex biological and ██████ ███████ ███ ███ ████ ████████ ██ ███ █████ ██ ████████ ███████████

This doesn’t mention parallel computing, so it can’t be the main point.

Inherently parallel computing ████████ ███ ████ ██████ ██ █████ ██ █████████ ███████ ██ ███ █████ █████

Not supported, because the Author B never suggests parallel computing problems should be solved by something modeled on the human mind. Since (E) is not supported, it can’t be the main point.

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PrepTest 131 - Section 4 - Passage 1 - Question 1

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