Questions: what can-do or can-not-do of a von Neumann machine?

Questions: what can-do or can-not-do of a von Neumann machine?
Adapting to circumstances
Fault tolerance
Massive parallelism
Doingpreciselywhat the programmer programs them to do
Interacting with noisy data or data from the environment
Fast arithmetic
Not so good at
Good at
Where can ANN systems or “Brain”help?
-where we can't formulate an algorithmic solution.
-where we canget lots of examples of the behaviourwe require, 大样本训练
-where we need to pick out the structure from existing data.
e.g. Pattern recognition (recognizing handwritten characters?)