Why informational and operational systems are separate

Question

Illustrate why informational and operational systems are separate?

Answer 1

Operational systems are employed to run the business in real time on an every day basis and contain present data. Non-analysts and non-managers work in this kind of system. Operational systems should process large volumes of data. Informational systems are employed to support decisions and contain historical data. Analysts and Managers work in this kind of system. Informational systems have periodic setup updates.