Lesson plan

Capricorn (microprocessor)

The Capricorn family of microprocessors was developed by Hewlett-Packard in the late 1970s for the HP Series 80 scientific microcomputers. Capricorn was first used in the HP-85 desktop BASIC computer, introduced in January 1980. Steve Wozniak was inspired to build the Apple to be a computer like the HP 9830, and in 1976, he offered HP rights to the Apple computer. He was turned down and was given a release. When the calculator division started an 8-bit computer project called Capricorn, he left for Apple when he was not allowed to work on that project.

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Article summary

The Capricorn family of microprocessors was developed by Hewlett-Packard in the late 1970s for the HP Series 80 scientific microcomputers. Capricorn was first used in the HP-85 desktop BASIC computer, introduced in January 1980. Steve Wozniak was inspired to build the Apple to be a computer like the HP 9830, and in 1976, he offered HP rights to the Apple computer. He was turned down and was given a release. When the calculator division started an 8-bit computer project called Capricorn, he left for Apple when he was not allowed to work on that project.

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  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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