Assuming the following statements about operational systems, it is correct to affirm that: I - Its main function is to keep the machine running an...

Assuming the following statements about operational systems, it is correct to affirm that:

I - Its main function is to keep the machine running and prevent it from restarting.
II - Its main function is to keep software running.
III - Its main function is to keep hardware running, preventing unauthorized updates.
IV - They manage all computer mechanisms and coordinate all software and machine components.
V - They manage all computer mechanisms and coordinate embedded software on the machine.
a. I and III are correct.
b. II, III, and IV are correct.
c. III and V are correct.
d. IV and V are correct.
e. II and IV are correct.