Resource monitor vs Task manager

Is there any differences between the two except the UI and convenience ?

1.) What can i do on resource monitor and not on the task manager and the opposite?
I would gladly hear anything about the differences if there is any.

2.) If my pc get infected by a virus, obviously i should disconnect all my network connections and scan my pc, but if i want manually search for it, where should i do it ? Does it even …

cybersecurity manager monitor task vs