Lesson plan

Beta Disk Interface

Beta Disk Interface is a disk interface for ZX Spectrum computers, developed by Technology Research Ltd in 1984 and released in 1985, with a price of £109.25 (or £249.75 with one disk drive). Beta 128 Disk Interface is a 1987 version, supporting ZX Spectrum 128 machines (due to different access point addresses). Beta Disk Interfaces were distributed with the TR-DOS operating system in ROM, also attributed to Technology Research Ltd.. The interface was based on the WD1793 chip. Latest firmware version is 5.03 (1986). The Beta Disk Interface handles single- and double-sided, 40- or 80-track double-density floppy disks, and up to four drives.

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Article summary

Beta Disk Interface is a disk interface for ZX Spectrum computers, developed by Technology Research Ltd in 1984 and released in 1985, with a price of £109.25 (or £249.75 with one disk drive). Beta 128 Disk Interface is a 1987 version, supporting ZX Spectrum 128 machines (due to different access point addresses). Beta Disk Interfaces were distributed with the TR-DOS operating system in ROM, also attributed to Technology Research Ltd.. The interface was based on the WD1793 chip. Latest firmware version is 5.03 (1986). The Beta Disk Interface handles single- and double-sided, 40- or 80-track double-density floppy disks, and up to four drives.

Key claims

  1. release date: 1985 — 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 release date is "1985". What evidence would count against this claim?
  3. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  4. 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=1347538569

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