Answer:
a
Explanation:
a) the fcanf and textscan read lines one by one in the file and interpret with the format specified. If specified format is not present in the line then, then fscanf and textscan only read the portion that matches and halt processing.
b) fid is an identifier.
c) input functions (textscan, fscanf etc) are pre-defined input functions. They are used instead of while loop while reading a file.
Never store the card-validation code or value (three- or four-digit number printed on the front or back of a payment card used to validate card-not-present transactions). Never store the personal identification number (PIN) or PIN Block. Be sure to mask PAN whenever it is displayed.
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Answer:
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