This study explains the role of computer in the banking sector. It further describes the need and importance for banks make use of Micro Computers for effective utilization and storage of data. The use of computer in the banking sector can be an efficient tool in speeding up the process and cutting the price of creating and undertaking figure works. There are numerous benefits of Computer in the Banking Sector such as: Bring about simplicity in term of worrying condition. Reduce stress of work and consuming less in the bank. This work shall be of vital benefit to the financial sectors, on an effective use of computer in delivering precise data.