# 📝 Quiz 3: OS Navigation & Document Tools ## Question 1: Question Which of these is an operating system? A. PowerPoint B. Windows 11 C. Adobe Acrobat D. Excel ## Question 2: Question What is the purpose of a file extension (like .docx or .pptx)? A. It controls the speed of the file B. It makes the file more secure C. It tells you what kind of file it is D. It keeps the file hidden ## Question 3: Question Which tool would you use to create a slideshow? A. Word B. Excel C. PowerPoint D. Notepad ## Question 4: Question What does “Save As” do? A. Deletes the file B. Saves over your original file C. Creates a new copy of the file D. Sends the file to someone ## Question 5: Question Which feature helps organize text in a Word document? A. Filters B. Transitions C. Bullets and numbering D. Pivot tables