What happens when you leave a tablet charging for two days?

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Technician a says that a shop towel should never be used to clean around the flange area before replacing an automatic transmission filter. technician b says that a dimpled transmission fluid pan can be repaired. who is right

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.