Using Programs with Data Practice Test

A wearable collects numerical step counts and heart rate readings and stores them in a weekly summary. A program compares the user’s activity to personal goals, calculates progress percentages, and sends reminders when progress falls behind. The reminders help users adjust habits over time. Based on the scenario above, what is a potential limitation of the data processing method described?

A store app collects transaction records with categorical product IDs and numerical quantities, saved in a customer history. A program finds frequently repeated purchases, ranks related items, and displays suggestions during checkout. The goal is to improve shopping efficiency for returning customers. Based on the scenario above, what is the main purpose of the program in the described scenario?