This document discusses the use of management information systems and decision support systems in the banking sector. It provides examples of transaction processing systems at Standard Chartered Bank, including systems for payroll, customer identification, employee records, real-time banking transactions, customer service, and ATM transactions. It also discusses decision support systems used by various banks for purposes like credit scoring, customer decisions, data warehousing, and risk management. Recommendations are made for using decision support systems for online retail banking, evaluating bank branch networks, and selecting bank locations.