CS408 Human Computer Interaction Assignment No 2 Solution April 2012 Due date is 25-04-2012Problem Statement:



The physical layout of an ATM consists of a screen with a key pad, a slot for insertion of card, a receipt printer and a cash dispenser. When ATM is used, the user must insert his card into the machine. To make it easy to use, a welcome note is displayed with audio message for each operation. In order to grant user access to his account information, ATM machine asks him to enter his pin number. When the correct pin number is entered, the various account options are given to the user such as balance inquiry, deposit, withdrawal, transfers etc. The user can select the desired option by selecting it with the buttons provided.

A User enters the Booth of the ATM and selects the option of cash withdrawal, Machine processes on the request and ejects the card first and then cash to avoid any error by the human. Usually an action is followed by a new screen with options, and user is re-directed to main screen after completion of desired action. When the user is finished using the ATM, the user’s card is ejected and the access to the account in closed.