The 4 gls represent a major step forward in the development of automatic program generators. Explain the major advantages and disadvantages in the use of 4 gls. What are the cost impacts of applications of testing and how do you justify expenditures for these activities.
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Advantages of 4GL:
Programming productivity is increased.
System development is faster.
Program maintenance is easier.
The finished system is more close to what the user wants.
End user can often develop their own applications.
Programs developed in 4GLs are more portable.
Documentation is improved because many 4GLs are self documenting.
Disadvantages of 4GL –
The programs developed in the 4GLs are executed more slowly.
The programs developed in these programming languages need more memory space.
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