The study examined the impact of computerized Accounting Information
System (AIS) on the performance of banks in Nigeria. The objective of this
research study is to evaluate the impact of computerized (AIS) on the
efficiency of bank operations, employee performance, customer satisfaction,
service delivery and barriers to efficient computerized (AIS) within a bank in
Nigeria. The research employed survey research design and stratified
sampling technique to achieve the overall objective of the study. The target
population in this study comprises of staff and customers of United Bank for
African Plc. In the course of the study, two sets of questionnaire were
administered, one set to evaluate customer satisfaction, service delivery
quality and bank operation/performance and the other set to examine the
effect of information technology innovations deployment on banks’ employee
performance. The data obtained were analyzed using Means, Percentile
Average, and Chi-Square. In assessing the use of new technology innovations
and the performance of bank employees, over 65% of respondents strongly
agreed that new technology improved the bank employee performance. Also,
73% of the total respondents strongly agreed that there has been a remarkable
improvement in banking operations as a result of the computerized (AIS). The
study also identified factors that pose challenges to the effective application
of ICT in the banking sector such as Internet connectivity, skilled manpower;
cybercrime; installation and maintenance cost; affordability of technology
innovations. The study concluded that deployment of technology innovations
has greatly improved the efficiency of bank operations and employees
productivity; increased service delivery and banks return on equity/
profitability