Final answer:
Periodic maintenance refers to regular maintenance tasks that are performed on a schedule, while preventive maintenance is a proactive approach to maintenance.
Step-by-step explanation:
Periodic maintenance refers to regular maintenance tasks that are performed on a schedule, such as daily, weekly, or monthly. These tasks are done to prevent potential issues or to keep systems running smoothly. Examples of periodic maintenance include cleaning, software updates, and backup procedures.
Preventive maintenance is a proactive approach to maintenance, where measures are taken to prevent potential issues from occurring. This can include replacing parts before they fail, implementing safeguards, and conducting inspections to identify and address potential problems.
In summary, periodic maintenance is performed on a regular schedule to keep systems running smoothly, while preventive maintenance aims to prevent potential issues from occurring.