Abstract: In light of the global ICT industry’s vitality and the ever-rapid changes in the business environment it brought about, financial institutions in Nigeria have been confronted with substantial challenges regarding the required capital for investment in human capital, development of equipment, and designing applications, among others.Despite these huge investments, there exist delay/latency in the operation of the Nigerian banks which cause queue where customers wait for several hours before being attended to. While there is a problem with internet security where hackers intrude into the banks’ servers to have undue access to the banks’ information, inter banks transfer of some banks takes a minimum of 24 hours before the beneficiary gets a credit alert. Unavailable or poor network services still characterize banking operations in Nigeria in the 21st century. This study evaluates how ICT impacts Nigeria’s Quoted Deposit Money Banks’ (DMBs’) operational effectiveness.A questionnaire was used to source the required data. A regression was employed to test the statedhypotheses. The study uncovered a positive and substantial effect of ICT implementation onservice quality delivery and saving operativetimes of quoted DMBs in Nigeria. This instigated the recommendation for intensifying effortson maintaining ICT in bank operations so that they may, among other things, increase client satisfaction by offering excellent services.

Keywords: ICT, Operational-efficiency, DMBs,Quality- Service-Delivery, Time-Save.