There are different types of information systems based on the different levels of hierarchy in an organization. Which system helps support business decision-making activities by manipulating and building upon the information from the systems below it in the hierarchy?

Decision support systems are employed by senior management to form non-routine decisions. Decision support systems use input from internal systems (transaction processing systems and management information systems) and external systems.

The main objective of decision support systems is to supply solutions to problems that are unique and alter frequently. Decision support systems answer questions such as;

What would be the impact of employees' performance if we double the assembly lot at the factory?

What would happen to our sales if a replacement competitor entered the market?

Decision support systems use sophisticated mathematical models, and statistical techniques (probability, predictive modeling, etc.) to supply solutions, and that they are very interactive.

For instance, financial planning systems of an organizations enables managers to guage other ways of achieving goals. The target is to seek out the optimal way of achieving the goal. The financial planning system will enable senior executives to ask what if questions and adjust the values for total sales, the value of products , etc. to ascertain the effect of the choice and on internet profit and find the foremost optimal way.