Maintains database by entering new and updated customer and account information. Prepares source data for computer entry by compiling and sorting information. Establishes entry priorities. Processes customer and account source documents by reviewing data for deficiencies. An MIS Executive – or Management Information System Executive – is responsible for planning, coordinating and directing all computer-related activities within an organization. They help determine the company's information technology goals, and are responsible for implementing computer systems to meet those goals. Accounting assistants work closely with one or multiple accountants. Their responsibilities depend on the needs of their employer, but duties typically include maintaining ledgers, assisting customers, preparing and distributing checks, handling cash and invoices, making phone calls, and basic bookkeeping.