AP CSP Extracting Information from Data (2.3)

A camera mounted on the dashboard of a car captures an image of the view from the driver’s seat every second. Each image is stored as data. Along with each image, the camera also captures and stores the car’s speed, the date and time, and the car’s GPS location as metadata. Which of the following can best be determined using only the data and none of the metadata?

• The average number of hours per day that the car is in use

• The car’s average speed on a particular day

• The distance the car traveled on a particular day

• The number of bicycles the car passed on a particular day

A team of researchers wants to create a program to analyze the amount of pollution reported in roughly 3,000 counties across the United States. The program is intended to combine county data sets and then process the data. Which of the following is most likely to be a challenge in creating the program?

• A computer program cannot combine data from different files.

• Different counties may organize data in different ways.

• The number of counties is too large for the program to process.

• The total number of rows of data is too large for the program to process.

• I only

• III only

• I and II

• I and III

A student is creating a Web site that is intended to display information about a city based on a city name that a user enters in a text field. Which of the following are likely to be challenges associated with processing city names that users might provide as input?

Select two answers.

• Users might attempt to use the Web site to search for multiple cities.

• Users might enter abbreviations for the names of cities.

• Users might misspell the name of the city.

• Users might be slow at typing a city name in the text field.

A database of information about shows at a concert venue contains the following information.

- Name of artist performing at the show

- Date of show

- Total dollar amount of all tickets sold

Which of the following additional pieces of information would be most useful in determining the artist with the greatest attendance during a particular month?

• Average ticket price

• Length of the show in minutes

• Start time of the show

• Total dollar amount of food and drinks sold during the show

• Students who have the same name may be confused with each other.

• Students who have the same grade point average may be confused with each other.

• Students who have the same grade level may be confused with each other.

• Students who have the same number of absences may be confused with each other.