How to append record to an already existing flat file using COBOL?
a. By OPEN-ing the file in EXTENDED mode
b. By OPEN-ing the file in I – O mode and writing after EOF is reached
d. By OPEN-ing the file in OUTPUT mode
e. It is not possible to append records to a flat file from COBOL
The given answer is a.
But from the manuals it is either in extended mode or output mode.