The activity of a file

1.	The activity of a file
A.	is a low percentages of number of records added or deleted from a file
B.	if high, reduces processing efficiency for sequential and nonsequential files
C.	is a measure of the percentage of existing records updated during a run
D.	refers to how closely the files fits into the allocated
E.	None of the above.
Answer» B. if high, reduces processing efficiency for sequential and nonsequential files

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The activity of a file

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