Computer plays vital roles in our life. computer is needed in the many facilities among these Banking system need computer to do the several tasks and works easily and faster. computer has helped in banking system. airplane ticketing reservation system etc. In recent years the compputers are very much advance . with the help of computers your bank account can be transferred from one country to other like as japan to USA and your handprints can be dispatched through the computer system to any part of the world within a minute.