The "I-O" file access mode allows both _____ and _____ operations on a file in COBOL.
- Appending, Renaming
- Closing, Opening
- Reading, Writing
- Updating, Deleting
The "I-O" (Input-Output) file access mode in COBOL allows both reading and writing operations on a file. It enables a program to perform a combination of input and output operations on the same file.
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