Li is trying to locate a PDF file on thumb drive with a lot of other files on it. What could li look at to help him find the file? A web browser. The file Extensions. The file abbreviation. The file derivative.
Li could look at the file extensions to help him find the PDF file. PDF files typically end with ".pdf" at the end of the file name. By looking at the file extensions, Li can quickly identify which files are in PDF format and locate the one he is looking for.
