Answer:
4
Explanation:
because it needs all the other stuff
One would be they both discover new things and the other would be they are always curioses.
FAULT-TOLERANT computer systems are systems that are built with
the ability to keep working to
a level of satisfaction, even in the presence of faults within one or more of
its components. <span>This
fault tolerant ability is sometimes referred to as graceful degradation</span>