Research computer model that simulates a real world system. Choose a different model for each purpose below. Identify and research 4 different computer models, one for each of the four purposes below:

• Predictions about expected behavior given different scenarios
• Training employees and users to avoid accidents
• Test products before they are developed
• Gain knowledge about past events or how a system works

Will appreciate if someone can share computer model name for each purpose and will do the research of my own Or any guidance on the above question will be very helpful.