IS can give a huge competitive advantage, according to R. Kelly Rainer and Casey G. Cegielski, Some IS support only some part of the organization, while some support the whole organization and some can support groups of organizations. There are two types of Information System that can support the entire organization. The two types are Enterprise Resource Planning (ERP) and Transaction Processing System (TPS).
Why do some companies use ERP? According to Aleksey Osintsev , business software applications are designed for fast changing dynamic environments just Enterprise Resource Planning (ERP). Most of the times, they are built on an architecture that for fast and easy execution. Any change in the system setup or data structure is implemented but must reflect business realities. [Osintsev (2011)]
What is TPS and why do companies use it? According to SEARCA that necessary Information Technology (IT) facilities are used to enhance data recovery strategy because it has more secure internet access. Network services must have a structure must support the connectivity and access to network resources and internet services. This will help increase the reliability and performance to improve different services. TPS are the backbone of an organization because they update constantly at any given time because someone may need an inventory balance, an account balance or the total