Anytime you use a public computer, it is usually wise to clear the cache of any cookies you may leave behind. If not, it may allow people access to any private sites which includes a login (i.e. Facebook, Netflix, Banks, etc…) you have visited.
If you need more assistance please contact the NMC HelpDesk (https://www.nmc.edu/departments/help-desk/) online or at 231-995-3020.
For a PC use the key combination of Ctrl+Shift+Delete.
For a Mac use the key combination of Command+Shift+Delete.