An expert system is a program running on a computer.

So, the user has information about their problem even before the final answer of the expert system.

The expert system will then use a set of rules and give answers to the question.

"We try to focus on a few learning objectives within a simple expert system," he said.

To run an expert system, the engine reasons about the knowledge base like a human.

In batch, the expert system has all the necessary data to process from the beginning.

The building, maintaining and development of expert systems is known as knowledge engineering.

There are generally three individuals having an interaction in an expert system.

Expert systems are computer tools that apply knowledge to a problem.

It has been suggested that expert systems might be 'a solution looking for a problem'.