Which of the following correctly describes a management information system?
A system which measures and corrects the performance of activities of subordinates in order to make sure that the objectives of an organisation are being met and the plans devised to attain them are being carried out
A system by which managers ensure that information is obtained and used effectively and efficiently in the accomplishment of the organisation's objectives
A system which involves selecting appropriate information so that management can prepare a long-term plan to attain the objectives of the organisation
A collective term for the hardware and software used to drive a database system with the outputs, both to screen and print, being designed to provide easily assimilated information for management