Answer:
They consist of a coordinated collection of data, tools, techniques, and models to gather and interpret information for decision making.
Step-by-step explanation:
Marketing information systems consist of a coordinated collection of data, tools, techniques, and models to gather and interpret information for decision making. Basically, it can be defined as a set of components or computer systems, which is used to collect, store, and process market data (informations), as well as continuous or regular dissemination of these informations, from both the external and internal sources of information to the marketers for better decisions making such as product packaging, pricing, distribution, advertisements, innovation, sales promotions etc.
Additionally, the internal sources of marketing information includes invoice, statement of cash flows, balance sheet, customer database, product database, operations data etc. These marketing information can be used to measure the effectiveness and efficiency of various marketing strategies adopted by an organization or business firm.