This research work focuses on the Effect of Information Communication Technology (ICT) on deposit mobilization and profitability of banks in Nigeria. It also revealed how computer technology is being used in taking strategic decisions in an organization, with the usage of computer technology. It helps to discover how efficiently and effectively the bank(s) are performing as regards deposit mobilization and trend(s) in profitability. Some research instrument(s) were used in this continuous writing were: Interview, Questionnaire and Observations which were illustrated with charts and (Chi-square). It starts with background of the study up to final recommendation to the higher.