There could be more than one definition of "understanding"
If a machine can interpret instructions and follow them then that is a sort of understanding. At least it has the same kind of result as handing instructions to a human and having them follow the directions to complete a set of tasks.
Does the human understanding of instructions differ significantly? Yes a human can understand much more ambiguous instructions and perhaps complete a larger set of possible tasks, nonetheless it's a similar process going on at least on the surface.
If a machine can interpret instructions and follow them then that is a sort of understanding. At least it has the same kind of result as handing instructions to a human and having them follow the directions to complete a set of tasks.
Does the human understanding of instructions differ significantly? Yes a human can understand much more ambiguous instructions and perhaps complete a larger set of possible tasks, nonetheless it's a similar process going on at least on the surface.