Final answer:
The computer stores files in different locations such as the 'Downloads', 'Desktop', or 'My Documents' folder.
Step-by-step explanation:
The computer stores files in different locations depending on where the user saves them. If Sam saved the file yesterday, it is most likely stored in the 'Downloads' folder. However, if Sam specifically chose a different location to save the file, it could be in the 'Desktop' or 'My Documents' folder.