Question

a file extension of .jpg means that the file contains what?
a powerpoint document
an application
a word document
an image

Explanation:

The file extension .jpg (or .jpeg) is a common format used for storing digital images. A PowerPoint document has the extension .ppt or .pptx, an application has extensions like .exe (for Windows executables), and a Word document has the extension .doc or .docx. So the correct option is the one related to an image.

Answer:

D. An image (Note: Assuming the options are labeled A to D as per the order, with D being "An image")