A module fault impact graph (MFIG) is a graphical representation of the impact of module faults on the overall system. It shows the relationship between software modules and their associated faults and the impact of these faults on other modules in the system. The MFIG helps in identifying the critical modules of the software system and assists in the prioritization of testing efforts. It is a useful tool for software developers and testers in understanding the potential impact of faults and in devising strategies to minimize their impact on the system.
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