Unit 5: Data (APCSP '23-24 code.org)

Front

Images can contain a geographical location of where the picture was taken. This is stored in a special area of an image file called:

Back

Metadata

Front

DATA or Metadata?
Example: an image file

the color information for each pixel

Back

data

Front

DATA or Metadata?
Example: an image file

the width of the picture in pixels

Back

metadata

Front

DATA or Metadata?
Example: an image file

the date and time that the picture was taken

Back

metadata

Front

DATA or Metadata?
Example: an image file

the geo Tag that stores where the picture was taken

Back

metadata

Front

The main information stored is referred to:

Back

data

Front

Extra information about the main information stored is referred to:

Back

metadata

Front

Which of the following is LEAST likely to be a problem when collecting data?
cleaning data,
bias,
incomplete data,
having too much data

Back

having too much data

Front

Nico creates a program that collects the following data from users: Name, age, favorite color, height, weight. Which of the following could not be concluded based on this data alone? The average height of a person, Which favorite color is most popular, If older people and weight have a correlation, If men are generally heavier than women

Back

If men are generally heavier than women

Front

A digital photo contains data about the red, green, and blue levels of each pixel. The file also contains the location and date each photo was taken. For which of the following would analyzing the metadata be better than analyzing the data?
- Determining if the photo is of people or nature
- Determining if the photo has a sky in the background
- Determining the number of people in the photo
- Determining the likelihood of this photo being taken at a public event

Back

Determining the likelihood of this photo being taken at a public event