Type of Design in Accounting Information System

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INPUT DESIGN • Input facilitates the entry of data into the computer system. Input design involves the selection of the best strategy for getting data into the computer system at the right time and as accurately as possible. This is because the most difficult aspect of input design in accuracy .The use of well-defined documents can encourage users to record data accurately without omission. For example, if a customer's telephone number is a needed input data, the sales order form should have a specific line that is clearly labeled "customer telephone number". Having several lines labeled "customer information" would be less effective. This is because sometimes only the name and address would be filled in leaving out the telephone number. • Input design must capture all the data that the system needs, without introducing any errors. Input errors can be greatly reduced when inputting directly by using appropriate forms for data capture and well designed computer screen layout. OUTPUT DESIGN • Output is the report that the information system produces on screen or on paper or in other media such as the internet. Output is the most visible part of an information system because a primary reason for using an information system is to access the information that it produces. The goal of the output is to present information to users so that they can accurately understand the output with the least effort. • Can be classified into two categories : 1 ) external output. 2 )internal output – are managerial report used primarily for decision making. Ex : detailed Report ,exception report and summary report. USER INTERFACE DESIGN • User interface establishes dialogues , two-way communication between users and the computer system . • User interfaces are graphical user interface that use windows , menus, icons , and a

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