PrepTest 130, Section 2, Question 9
This passage was adapted from articles published in(459 more words not shown)
According to the passage, which(6 more words not shown)
- AEmeagwali's breakthroughs in(11 more words not shown)
- BEmeagwali's first breakthrough(13 more words not shown)
- CEmeagwali was the(16 more words not shown)
- DEmeagwali was the(12 more words not shown)
- EEmeagwali was the(9 more words not shown)
Reading the passage
This asks what the account actually establishes. We have several claims about Emeagwali's innovations, but no single detail to predict. Check each answer's full scope against the text rather than choosing something that merely sounds consistent with his success.
Working the answers
- A
Being too slow for this demanding job doesn't make sequential computers obsolete. They could still be useful for other tasks.
- B
No oil company's request is mentioned. A commercially useful invention needn't have been commissioned by its eventual users.
- CCorrect
The first paragraph says that, in 1989, he was the first to employ massively parallel computing for predicting oil flow. It adds that sequential supercomputers had been used until then. Those statements support this specific first.
- D
Using nature as a model doesn't establish that no earlier computer scientist had ever done so. The stated breakthrough is much narrower.
- E
This extends the first beyond oil-field prediction to every real-world use of parallel processing. We aren't given that history. C stays within the particular innovation described; E doesn't.
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