[GH-ISSUE #1034] The explanation for the multiple-choice question (Self Check Question 3.1 - Introduction) incorrectly references the answer options. #1672

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GiteaMirror · 2026-04-11T08:01:30-05:00

GiteaMirror commented

2026-04-11 08:01:30 -05:00

Originally created by @tcsqrd on GitHub (Nov 5, 2025).
Original GitHub issue: https://github.com/harvard-edge/cs249r_book/issues/1034

Current Behavior

Section: Introduction
Self Check Question 3
Link to Code: https://github.com/harvard-edge/cs249r_book/blob/dev/quarto/contents/core/introduction/introduction_quizzes.json#L133

The text currently says:

“Answer: The correct answer is A. A computing system that integrates data, algorithms, and computing infrastructure. This is correct because an ML system encompasses the entire ecosystem where algorithms operate, including data, learning algorithms, and computing infrastructure. Options A, C, and D describe only parts of an ML system or unrelated concepts."

This statement is inconsistent — it refers to “A” both as the correct answer and as one of the parts of the overall scope, which is confusing and incorrect.

Expected Behavior

It should clearly indicate that:

“Answer: The correct answer is A. A computing system that integrates data, algorithms, and computing infrastructure. This is correct because an ML system encompasses the entire ecosystem where algorithms operate, including data, learning algorithms, and computing infrastructure. Options B, C, and D describe only parts of an ML system or unrelated concepts."

Originally created by @tcsqrd on GitHub (Nov 5, 2025). Original GitHub issue: https://github.com/harvard-edge/cs249r_book/issues/1034 **Current Behavior** Section: Introduction Self Check Question 3 Link to Code: https://github.com/harvard-edge/cs249r_book/blob/dev/quarto/contents/core/introduction/introduction_quizzes.json#L133 The text currently says: _“Answer: The correct answer is A. A computing system that integrates data, algorithms, and computing infrastructure. This is correct because an ML system encompasses the entire ecosystem where algorithms operate, including data, learning algorithms, and computing infrastructure. Options A, C, and D describe only parts of an ML system or unrelated concepts."_ This statement is inconsistent — it refers to “A” both as the correct answer and as one of the parts of the overall scope, which is confusing and incorrect. **Expected Behavior** It should clearly indicate that: _“Answer: The correct answer is A. A computing system that integrates data, algorithms, and computing infrastructure. This is correct because an ML system encompasses the entire ecosystem where algorithms operate, including data, learning algorithms, and computing infrastructure. Options B, C, and D describe only parts of an ML system or unrelated concepts."_

GiteaMirror added the area: book label 2026-04-11 08:01:30 -05:00

GiteaMirror closed this issue

2026-04-11 08:01:30 -05:00

GiteaMirror commented

2026-04-11 08:01:31 -05:00

@profvjreddi commented on GitHub (Nov 5, 2025):

Thank you for reporting this issue @tcsqrd. I found a few other places where I made the same mistake. I had manually adjusted the answers to balance the correct options being A, B, C, or D. While editing the JSON files to balance things out, I realized that I did not correctly update the full answer section, which is what you are noticing here. Thanks for catching this.

@profvjreddi commented on GitHub (Nov 5, 2025): Thank you for reporting this issue @tcsqrd. I found a few other places where I made the same mistake. I had manually adjusted the answers to balance the correct options being A, B, C, or D. While editing the JSON files to balance things out, I realized that I did not correctly update the full answer section, which is what you are noticing here. Thanks for catching this.

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Reference: github-starred/cs249r_book#1672