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Which of the following statements is true about a file stream?

select one:

a. it is optional to provide the file name to open for reading or writing.

b. you cannot use a single object to read as well as to write.

c. a file stream object can be used to open more than one file simultaneously.

d. a file should be closed after all the operations associated with it are complete

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Which of the following statements is true about a file stream?

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