Use case diagram of a parking system, dfd level 0 and 1

Your company has 1,500 desktop computers running windows 7. you want to upgrade them to windows 10. which type of microsoft license would be best suited in this situation?

Which one of the following is the most accurate definition of technology? a electronic tools that improve functionality b electronic tools that provide entertainment or practical value c any type of tool that serves a practical function d any type of tool that enhances communication

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.