The analysts at Techno InfoSystems are considering the four-model approach to system development for a new client.
-If they make use of the four-model approach, which of the following is a likely outcome?
A) Time taken to develop the model increases.
B) Costs needed to develop a logical and physical model of the current system will be less.
C) It will not be possible to get a clear picture of the current system functions before modifications are made.
D) The requirements of a new information system will always be different from the current information system.

Question

Quizplus · Accepted Answer

The four-model approach involves the development of four different models, which will increase the time taken to develop the system as compared to using a single model approach.

Answer: B
 The four-model approach involves developing a logical and physical model of the current system, which will result in a better understanding of the current system and reduce the costs needed to develop the new system.

Answer: C
 The four-model approach involves developing multiple models, which will provide a clear picture of the current system functions before modifications are made. Therefore, this statement is incorrect.

Answer: D
 The requirements of a new information system may or may not be different from the current information system, and this statement is not directly related to the four-model approach.

The Analysts at Techno InfoSystems Are Considering the Four-Model Approach