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User interface
It contains:
o Screen designs- the design document contains presentation features such as text,
colour,highlighting, graphics and animations.
o Dialogs- a dialog is a set of procedures for exchange of information between users
andthe computer. The design document contains the types of dialogs in the information
system under development e.g. menu based, form filling, command language, and natural
language dialogs.
Data
It specifies whether the data is stored in conventional files or databases. It also specifies the
types of files in the information system i.e. whether there are master files (contain records or information of long-term value to the organization), transaction files (contains temporary
records which represent the operation of the organization for a particular period of time),
archive files (keeps offline storage), and audit files (shows all the operations performed on the
system). The design document also specifies the media that is used to store the systems data e.g.
tape, magnetic disk, optical disk, etc. Finally the design document specifies how records are
organized in the file i.e. whether serial, sequential, random, inverted files or index-sequential
organization is used.
Process
The design document contains a detailed breakdown of the systems processes showing the
steps that constitute the each process. The design document also specifies the input, processing
and output involved for each process. Error conditions and the recovery procedures are also
specified for each process.
gregorymasila answered the question on November 29, 2017 at 09:05
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