Which of the following is Operational System?

 Posted by Bandi on 6/23/2015 | Category: Sql Server Interview questions | Views: 489 | Points: 40
Select from following answers:
  1. A system that is used to support decision making and is based on current data
  2. A system that is used to run the business in real time and is based on historical data.
  3. A system that is used to run the business in real time and is based on current data.
  4. A system that is used to support decision making and is based on historical data.
  5. All Above

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