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

In COBOL, INDEXED, RELATIVE, and SEQUENTIAL files can all be opened in any of the four open modes: INPUT, OUTPUT, I-O, and EXTEND, depending on the processing requirements.

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