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(i)
- Most fourth generation systems use a mixture of graphics and text which eases the
specification of user requirements.
- Use of wimp – create a user friendly environment to the systems analyst.
- Highly skilled experts not required less costly.
(ii)
- Prototypes help users get an idea of what the system will look like, and make it
easier for users to make design decisions without waiting for the system to be
built.
- In prototyping, a number of SDLC stages are not undertaken hence short time in system
development.
(iii)
- Using a case product, you can easily create professional readable data models without the use of paper, pencil, eraser and templates hence cut on costs. The models can be easily modified to reflect corrections and changes suggested by end-users. You don‘t have to start over.
-Some case products can even help you analyse the data model for consistency, completeness and flexibility. The potential time and quality savings are
substantial
gregorymasila answered the question on November 27, 2017 at 11:09
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