In the context of an expert system, a works with the knowledge base management system to ensure that the knowledge base is as up to date as possible.

Knowledge Acquisition Facility.

Explanation:

The power and effectiveness of the Expert System  is equal to the quality of the knowledge it contains. The  knowledge has to deal with high complexity and apply the best judgement. collection of expert knowledge is very important and involves the collecting information about a field usually from  an expert. This information is stored in a computer program stored as a knowledge base.

Knowledge is always updating so it also very important to keep it up to date and it is done by Knowledge Acquisition Facility.

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)

answer ingress;