1) Dutch-Bangla Bank Limited (DBBL) uses a Management Information System (MIS) to process transactions, connect branches, and provide services like online banking. The MIS allows thousands of daily transactions to be handled accurately and efficiently. 2) Key elements of DBBL's MIS include hardware, software, communication networks, data, procedures, and personnel. Hardware includes computers and servers, while software includes programs for tasks like banking, security, and backups. Data includes customer information and daily transactions. 3) Procedures govern how the MIS is used and maintained, such as annual policy reviews and remote access rules. Personnel include IT staff, administrators, and users throughout the bank.