Comprehension
Comprehension:
The passage below is accompanied by four questions. Based on the passage, choose the best answer for each question.
The history of any major technological or industrial advance is inevitably shadowed by a less predictable history of unintended consequences and secondary effects — what economists sometimes call “externalities.” Sometimes those consequences are innocuous ones, or even beneficial. Gutenberg invents the printing press, and literacy rates rise, which causes a significant part of the reading public to require spectacles for the first time, which creates a surge of investment in lens-making across Europe, which leads to the invention of the telescope and the microscope.
Oftentimes the secondary effects seem to belong to an entirely different sphere of society. When Willis Carrier hit upon the idea of air-conditioning, the technology was primarily intended for industrial use: ensuring cool, dry air for factories that required low-humidity environments. But…it touched off one of the largest migrations in the history of the United States, enabling the rise of metropolitan areas like Phoenix and Las Vegas that barely existed when Carrier first started tinkering with the idea in the early 1900s.
Sometimes the unintended consequence comes about when consumers use an invention in a surprising way. Edison famously thought his phonograph, which he sometimes called “the talking machine,” would primarily be used to take dictation….But then later innovators… discovered a much larger audience willing to pay for musical recordings made on descendants of Edison’s original invention. In other cases, the original innovation comes into the world disguised as a plaything…the way the animatronic dolls of the mid-1700s inspired Jacquard to invent the first “programmable” loom and Charles Babbage to invent the first machine that fit the modern definition of a computer, setting the stage for the revolution in programmable technology that would transform the 21st century in countless ways.
We live under the gathering storm of modern history’s most momentous unintended consequence….carbon-based climate change. Imagine the vast sweep of inventors whose ideas started the Industrial Revolution, all the entrepreneurs and scientists and hobbyists who had a hand in bringing it about. Line up a thousand of them and ask them all what they had been hoping to do with their work. Not one would say that their intent had been to deposit enough carbon in the atmosphere to create a greenhouse effect that trapped heat at the surface of the planet. And yet here we are.
Ethyl (leaded fuel) and Freon belonged to the same general class of secondary effect: innovations whose unintended consequences stem from some kind of waste by-product that they emit. But the potential health threats of Ethyl (unleaded fuel) were visible in the 1920s, unlike, say, the long-term effects of atmospheric carbon build up in the early days of the Industrial Revolution….
Indeed, it is reasonable to see CFCs (chlorofluorocarbons) as a forerunner of the kind of threat we will most likely face in the coming decades, as it becomes increasingly possible for individuals or small groups to create new scientific advances — through chemistry or biotechnology or materials science — setting off unintended consequences that reverberate on a global scale.
Question: 1

The author lists all of the following examples as “externalities” of major technical advances EXCEPT:

Updated On: Nov 24, 2025
  • extension of the phonograph to large-scale recording of music
  • application of the Jacquard loom to modern IT programming
  • build-up of chlorofluorocarbons in the atmosphere
  • cooling and de-humidifying of factories through air-conditioning
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The Correct Option is B

Solution and Explanation

The passage explores "externalities," which are unintended side effects or consequences of significant technological or industrial progress. These effects can be positive or negative. The passage offers these examples of unintended consequences:
  • Phonograph's use in music recording: Originally for dictation, the phonograph's adaptation for music recording was a beneficial externality for the music industry.
  • Air-conditioning's impact on migration: Invented to cool factories, air-conditioning spurred significant human migration and urban growth in hot U.S. regions, demonstrating an unintended societal externality.
  • Atmospheric chlorofluorocarbons (CFCs): CFCs, a by-product of certain processes, became a global environmental hazard, illustrating negative externalities.
The application of the Jacquard loom to modern IT programming is not an externality in this context. Instead, it formed a technological basis for modern computing, representing direct evolution rather than an unintended outcome.
Therefore, the example that is not an externality is:
application of the Jacquard loom to modern IT programming
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Question: 2

Carrier, Babbage, and Edison are mentioned in the passage to illustrate the author’s point that

Updated On: Nov 24, 2025
  • the secondary effect of past inventions mostly resulted in the creation of new inventions.
  • inventions typically end up being used for entirely different purposes than the intended ones.
  • despite the original intention, the unintended consequences of their inventions were largely beneficial.
  • these inventors could not have visualised the eventual impact of their inventions on society.
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The Correct Option is D

Solution and Explanation

To answer this question, we need to understand why the author included Carrier, Babbage, and Edison in the passage. The text discusses inventors and their creations, highlighting how these inventions often had unexpected societal effects. Let's examine the main points:
  • Willis Carrier: Developed air-conditioning for industrial purposes. However, this innovation led to major population shifts and urban growth in areas like Phoenix and Las Vegas, consequences Carrier likely didn't anticipate.
  • Thomas Edison: Believed his phonograph would primarily be used for dictation. Instead, it became widely popular for recording and playing music, an application Edison didn't foresee.
  • Charles Babbage: Motivated by animatronic dolls, his pioneering work in early computing established the foundation for future technological progress, extending far beyond his own time.
The passage stresses that these inventors faced unforeseen and unintended consequences from their work, demonstrating how challenging, or even impossible, it is to predict the ultimate effects and ramifications of inventions. This aligns with the correct answer:
Correct Answer:
these inventors could not have visualized the eventual impact of their inventions on society.
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Question: 3

We can assume that the author would support all of the following views EXCEPT:

Updated On: Nov 24, 2025
  • The by-products of leaded fuel, rather than the fuel itself, were responsible for the build-up of carbon-related gases in the atmosphere.
  • The emissions caused by the large-scale use of leaded fuel ought to have been addressed earlier than they were.
  • While technological advances in the past have had innocuous or beneficial outcomes, more recent advances have the potential to be more threatening globally.
  • It has become far easier for people today to bring out innovations with dire worldwide consequences than it was earlier.
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The Correct Option is C

Solution and Explanation

The author examines the unexpected outcomes of technological and industrial progress, using examples such as the printing press, air-conditioning, the phonograph, and animatronic dolls. The author specifically points out that while some indirect effects can be positive, others, like carbon emissions from leaded fuel, have harmful global repercussions. The text implies that historical technological leaps often led to unpredictable good or neutral results, such as increased literacy or economic growth. Conversely, modern innovations might present greater dangers due to their worldwide reach and influence. The mention of CFCs and biotechnology emphasizes this danger, suggesting that even small-scale entities can now unintentionally cause global problems.
Considering the provided options:
  • The idea about leaded fuel by-products matches the text's concept of indirect effects from waste, similar to emissions from Ethyl and Freon.
  • The suggestion of addressing leaded fuel emissions sooner aligns with the author's point about identifying secondary effects earlier.
  • The concept that innovations with severe global impacts are more feasible now aligns with the author's argument that smaller groups can now create new advancements with potential negative consequences.
  • However, the idea that recent technological progress is more dangerous than past progress contradicts the passage's emphasis on unintended consequences being initially unpredictable, rather than inherently more perilous over time.
Therefore, the author would likely disagree with the statement: While past technological progress led to harmless or beneficial results, more recent advancements carry the potential for greater global threats.
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Question: 4

Which of the following best conveys the main point of the first paragraph?

Updated On: Nov 24, 2025
  • The full impact of technological advances cannot be estimated in the short run as the ripple effects often extend far beyond the original intent.
  • The secondary effects of most major technological advances in the past, especially if they were unintended, have turned out to be beneficial.
  • It is important to judge an invention not by its immediate outcomes, but by the holistic impact of its secondary effects.
  • The entire impact of a technological advance should be evaluated by the boost its secondary effects gives to generating further technological advances.
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The Correct Option is A

Solution and Explanation

The best choice that conveys the main point of the first paragraph is: The full impact of technological advances cannot be estimated in the short run as the ripple effects often extend far beyond the original intent.

Explanation: The first paragraph explains that major technological advancements often lead to unpredictable and unintended secondary effects, as history shows with inventions like the printing press and spectacles. This means the true impact of technology goes beyond its initial purpose and takes time to fully emerge and be understood. Therefore, the correct statement summarizes these ideas.

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