Live Acquistion offline acquisition Paper

I’m trying to study for my Computer Science course and I need some help to understand this question. Write a 1-2 page paper to answer the following questions:• What is a live acquisition?• Decide when it is best to do a live acquisition instead of an offline acquisition?• What is the OOV – order of volatility? Why it is important?• Describe the six basic steps involved with doing a live acquisition?