Intelligence may be the wrong word when dealing with computers. Understanding is accuracy and knowing why it is accurate. Following directions is not intelligent. Macines need to be able to expand upon what is already known. Learning is a requirement of intelligent.
Intelligence is evolution or self improvement or adapting.
Evoling compared to the past. Working ants are utilitarian. Advancement is often associated with intelligence and should not be done so. Conscious of one's own self and one's surroundings. Can a machine have a consciousness.