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The main objective of designing various modules of a software system is :

  1. To decrease the cohesion and to increase the coupling

  2. To increase the cohesion and to decrease the coupling

  3. To increase the coupling only

  4. To increase the cohesion only

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In software engineering, coupling is the degree of interdependence between software modules; a measure of how closely connected two routines or modules are; the strength of the relationships between modules

Coupling is usually contrasted with cohesion. low coupling often correlates with high cohesion, and vice versa. Low coupling is often a sign of a well-structured computer system  and a good design, and when combined with high cohesion, supports the general goals of high readability and maintainability

  • Cohesion is a measure of internal strength within a module, whereas coupling is a measure of inter dependency among the modules.So in the context of modular software design there should be high cohesion and low coupling.,high%20cohesion%2C%20and%20vice%20versa.

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B. To increase the cohesion and to decrease the coupling ...


Cohesion refers to the degree to which the elements inside a module belong together…

In one sense, it is a measure of the strength of relationship between the methods and data of a class and some unifying purpose or concept served by that class...





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