Big Idea 5: Impact of Computing | AP Computer Science

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18 original questions across 5 selected topic areas. No account or payment required to practise.

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Question 9 · Big Idea 5: Impact of Computing · challenge

A city trains a sidewalk-repair ranking system using reports submitted only through a smartphone app. Areas with fewer smartphone users receive low priority. Which investigation most directly addresses a possible source of bias?A. Compare report coverage with independent sidewalk inspections across neighborhoods and access groups.B. Increase processor speed without changing the data.C. Assume that no reports proves no damaged sidewalks.D. Delete neighborhood information and assume all sampling bias disappears.

Question 10 · Big Idea 5: Impact of Computing · foundation

A student receives an unexpected message linking to a look-alike school login page and demanding a password. Which response best reduces phishing risk?A. Enter the password because the page uses school colors.B. Forward the password to the sender for verification.C. Open the school's known address independently and report the suspicious message without entering credentials on its linked page.D. Assume that a padlock icon proves the sender is the school.

Question 17 · Big Idea 5: Impact of Computing · standard

A public travel dataset removes names but retains exact home coordinates and detailed daily routes. Which privacy assessment is most justified?A. Removing names guarantees that no individual can be identified.B. Only the file's creator could ever identify a traveler.C. Encrypting the download connection makes the published records anonymous.D. Linking locations and routes to other available records may reidentify travelers despite name removal.

AP Computer Science Principles: Big Idea 5: Impact of Computing