What is a neural network?

A.
A series of networked PCs performing artificial intelligence tasks

B.
A hardware or software system that emulates the functioning of biological neurons

C.
A collection of computers that are focused on medical applications

D.
A hardware or software system that emulates the reasoning of a human expert

Explanation:

A neural network is a hardware or software system that emulates the functioning of biological
neurons. Answer “A hardware or software system that emulates the reasoning of a human expert”
refers to an expert system. The other answers are distracters.