Answer: Search File Explorer: Open File Explorer from the taskbar or right-click on the Start menu, and choose File Explorer, then select a location from the left pane to search or browse. For example, select This PC to look in all devices and drives on your computer, or select Documents to look only for files stored there.
Explanation: hope this helps :)
I don't know but I am guessing 666 or 777 or 888.
Answer/Explanation:
A coverage map shows how much land something takes up or reaches to.
Pendrive, CD is local storage divices