Students have been playing games on computers in a school library, after booting the computers from USB media. Those computers are intended to be used only for searching for library materials. Briefly...

Students have been playing games on computers in a school library,
after booting the computers from USB media.
Those computers are intended to be used only for searching for library materials.

Briefly describe one (1) physical control and one (1) logical control
that could be implemented to prevent the students' actions described above.