Ans: System Documentation: The collection of documents that describes the requirements, capabilities, limitations, design, operation, and maintenance of a system, such as a communications, computing, or information processing system. It's sole purpose is to provide the necessary information to develop training programme for operators and users and to create a vehicle of information to provide evidence of progress in the development process and to monitor the process.
Features of effective System Documentation:
Contents of System Documentation:
The report on the system design should contain the following elements:
Levels of System Documentation:
Levels of documentation mean the persons or positions in the managerial hierarchy for whom or to whom document is useful for operation purposes.
These levels are:
1. Documentation for User:
For the smooth operation of the system, it is essential that the users understand the system fully, and are aware of what is expected of him to make it work successfully.
2. Documentation for Management:
It includes systems’ proposals covering the followings:
3. Documentation for Data Processing Department:
This has been divided into following three categories:
Internal and External Documentation
It depends what you mean by internal and external.
Internal Documentation details the process of development of a product such as for example Standards, Project documentation, Business correspondence notes, etc.
Whereas, External documentation refers to the documents that detail about the product itself, such as, System documentation and User documentation.
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