Answer:
setup a password for the BIOS
Explanation:
The BIOS refers to Basic Input/Output System. When a BIOS password is set, it will enforce autentication whenever an attempt is made to login at startup. Remember that the computer's microprocessor uses the BIOS to bootup, and it is also responsible for managing information flow between the OS and other devices, therefore very sensitive settings are maintained here, setting up a password will further ensure that that students do not intentionally recomfigure the computers in the school laboratory.