The ff are the characteristics of an artificial neural network: (1) It Is Central to a Machine Learning Subset Called Deep Learning; (2) It Is an Algorithm Modeled After Biological Neural Systems; (3) It Can Be a Hardware-Based Network or a Software-Based Network; (4) It Has Three Major Components Connected Via Artificial Neurons; (5) It Has Multiple Hidden Layers in its Network Architecture; and (6) It Has Expanded to Different Types with Different Characteristics.