What is artificial intelligence and what are the kinds of artificial intelligence?

The 6 main areas of Artificial Intelligence consist of:

1. Intelligent Systems

2. Knowledge

3. Demons

4. Expert Systems

5. Agents

6. Neural Networks

Examples of artificial intelligence include robots, air conditioning units, autopilots, vending machines, smoke detectors, house alarms, cruise control, automatic soap dispensers, automatic pest sprays, automatic taps/hand dryers, gaming