There are 4 styles of MIS. The predominant, TPS (Transaction Processing System), is the most extreme intemperate easy. This method processes common, regular and preferred connection trades. OIS (Operations Information Systems) gathers quit realities and composes it for commitments managers to apply and increment their yield and decrease screw ups. DSS (Decision Support Systems) and ES (Expert Systems) are the two types of MIS utilized by the top notch control to make taught and sharp alternatives. The types make remarkable usage of databases and showing structures