The document discusses how information technology has transformed banking and the audit environment. It provides examples of different types of banking applications like partial branch automation, total branch automation, and core banking solutions. It also discusses the impact of IT on internal controls and auditing. The key challenges for auditors in a computerized environment include the lack of paper trails, evaluating IT controls, and ensuring integrity of electronic evidence. Auditors must have adequate knowledge of IT systems to understand associated risks and audit banks' IT environments effectively.