Lesson plan

Plus Development

Plus Development Corporation was a majority-owned subsidiary of Quantum Corporation. The company invented the Hardcard, a hard disk drive on an expansion card, which started a wave of companies producing similar products in the 1980s.

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Article summary

Plus Development Corporation was a majority-owned subsidiary of Quantum Corporation. The company invented the Hardcard, a hard disk drive on an expansion card, which started a wave of companies producing similar products in the 1980s.

Key claims

  1. date of formation: 1983 — source: Wikipedia · confidence 0.95
  2. publication date: 1990-12-03 — source: Wikipedia · confidence 0.95

Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. The record states that the date of formation is "1983". What evidence would count against this claim?
  3. The record states that the publication date is "1990-12-03". What evidence would count against this claim?
  4. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  5. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

  1. Wikipedia https://en.wikipedia.org/w/index.php?oldid=1359660299

Key claims and bibliography are generated from the same tracked claims and sources as the article page.