Common AI Technologies in Daily Life AIE Practice Questions (Page 8)

Questions 36–40

1. 36foundation · easy

   How do virtual assistants like Siri and Alexa understand and respond to spoken requests?

   • AThey match every spoken word to a pre-recorded audio response
   • BThey rely on a human operator listening and typing responses
   • CThey use random selection from a database of answers
   • DThey use natural language processing and machine learning to interpret speech and generate responses
   Reveal Solution Discussion Select an answer first
2. 37foundation · easy

   What is a common AI application in personal finance apps that provides tailored advice?

   • ACalculating simple interest
   • BAnalyzing spending habits to suggest a budget
   • CPrinting bank statements
   • DStoring passwords
   Reveal Solution Discussion Select an answer first
4. 38foundation · easy

   Which of the following is an example of an everyday AI technology that uses facial recognition?

   • AA microwave oven with preset cooking times
   • BA calculator that performs arithmetic operations
   • CA digital clock that displays the current time
   • DA smartphone that unlocks when it recognizes the owner's face
   Reveal Solution Discussion Select an answer first
5. 39expert · hard

   A streaming service wants to improve its recommendation system. The current system uses collaborative filtering based on user ratings. However, new users have no ratings, and the system fails to recommend niche content that matches a user's specific interests. The team decides to add a content-based component. Which approach best addresses both problems?

   • AReplace collaborative filtering entirely with content-based filtering to avoid the cold-start problem
   • BUse content-based filtering to recommend items similar to the user's currently viewed content, and use collaborative filtering once the user provides ratings
   • CUse natural language processing to analyze user reviews and then rank items by sentiment
   • DUse collaborative filtering only but initialize new users with average ratings from all users
   Reveal Solution Discussion Select an answer first
6. 40application · medium

   A fitness app uses a wearable device to track a user's heart rate, sleep, and activity. The app wants to alert the user when their resting heart rate is unusually high compared to their own historical baseline. Which AI approach is most appropriate?

   • ANeural machine translation to convert heart rate readings into text alerts
   • BObject detection to analyze the wearable's sensor images
   • CCollaborative filtering that compares the user's heart rate to other users of the same age and gender
   • DAnomaly detection model trained on the user's historical heart rate data to flag deviations from the personal baseline
   Reveal Solution Discussion Select an answer first