How does a spell checker routine (common to both, word and PowerPoint) used? I mean is the code copied 2 times for each of the processes in the main memory, if they are different processes or how is it used if they are threads

How does a spell checker routine (common to both, word and PowerPoint)

1.	How does a spell checker routine (common to both, word and PowerPoint) used? I mean is the code copied 2 times for each of the processes in the main memory, if they are different processes or how is it used if they are threads
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