This presentation discusses the core services offered by banks, including individual banking, loans for business, and treasury services. It also explains how banks utilize ICT batch workload types, such as Automated Teller Machines, to reduce operating costs and provide customers with 24/7 access to their accounts. Additionally, it explores the benefits of using cloud technologies in the banking sector, such as improved manageability and accessibility. Finally, it explains why major banks use mainframes to support their numerous functions.