Big data refers to the ________ of structured and unstructured data pouring through networks into processors and storage devices, along with the conversion of such data into business advice for enterprises. (Choose all correct answers.)

Merchants who know a customer's previous purchases, age, sex, and interests are most likely to choose an advertising strategy to match the customer profile

Indicate whether the statement is true or false

If you change a file extension by renaming the file,

A) You also change the data in the file B) You also change the data header C) You will not be able to open the file D) Windows will change the icon that represents the file