SE 3A: 2023

Define System Engineering in details.

Answer explanation

_____ _____ - defines the functionality of the software and constraints on the
operation.

• Software evolution

• Software validation

• Software development

• Software specification

_____ _____ - software specification must be produced or developed.

• Software evolution

• Software validation

• Software development

• Software specification

_____ _____ - this is the maintenance stage, where the software must evolve to meet changing customer needs.

• Software evolution

• Software validation

• Software development

• Software specification

_____ _____ - this is the stage at which the software must be verified and validated to ensure that it meets customer requirements.

• Software evolution

• Software validation

• Software development

• Software specification

Define Waterfall Model in details.

Answer explanation

Select ALL advantages of waterfall model.

• All stages are well defined
  

• Waterfall model is simple to use and easy to understand

• The cost of implementing changes is reduced A working software is quickly developed

• It is easy to manage due to the rigidity of the model
  

• It consists of clearly defined stages

Answer explanation

____ - this is a process of analysing and extracting only the required
information. This is an automated process.

• Reverse engineering
  

• Source code translation
  

• Program structure improvement
  

• Program modularization
  

• Data re-engineering
  

____ - making program changes to reflect the changes made to the data. This
is a prolong and expensive process, since databases schemas need to be redefined. Also, there is need for conversion of existing databases to merge the new structure.

• Reverse engineering
  

• Source code translation
  

• Program structure improvement
  

• Program modularization
  

• Data re-engineering
  

____ - these can be operating systems and utilities which might be still in use in a
certain organisation even though the software might be obsolete and no longer supported by providers.

• system software
  

• system hardware
  

• Application software
  

• application data
  

• business process