Before accessing a file, the program must:

Question

BlackTom AI · Accepted Answer

In programming, accessing a file generally involves obtaining a handle or stream to the file, which is done by opening it. 
Option 1: 'name the file' — Merely naming or specifying the file does not by itself grant access; you typically need to open it to obtain a handle before reading or writing. 
Option 2: 'read the file' — Reading requires an open file handle; attempting to read before opening would fail because there is no active stream to read from. 
Option 3: 'open the file' — This is the correct prerequisite action; opening establishes a connection to the file and yields a handle or stream used for subsequent operations like reading or writing. 
Option 4: 'close the file' — Closing is the final step after all operations are finished; it does not allow access to the file itself, and thus cannot precede accessing the file.

Before accessing a file, the program must:单项选择题

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