Multiple choice technology mainframe

Which of the following files can be OPENed in all the 4 modes? The four modes are INPUT, I-O, OUTPUT and EXTEND

  1. INDEXED

  2. RELATIVE

  3. SEQUENTIAL

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All three file organization types (INDEXED, RELATIVE, and SEQUENTIAL) can be opened in all four modes (INPUT, I-O, OUTPUT, EXTEND) in COBOL. This flexibility allows programmers to choose the most appropriate file organization for their data access needs while maintaining full operational capability.

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