"Identify the incorrect statement "
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CALL RAF-SUB.
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CALL RAF-SUB ON OVER FLOW GO TO MIS-SUB.
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CALL RAF-SUB USING PARAM-1.
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CALL RAF-SUB USING PARAM-1 UNTIL PARAM-1 >10 (x)
COBOL CALL statement syntax doesn't include UNTIL clause. Options A, B, and C show valid CALL syntax (plain call, with overflow, with USING). Option D incorrectly adds UNTIL, which is not part of the CALL verb - UNTIL is used with PERFORM, not CALL.
To answer this question, we need to understand the syntax and usage of the CALL statement in programming.
Option A) CALL RAF-SUB - This option is correct because it simply calls the subroutine RAF-SUB without any additional parameters or conditions.
Option B) CALL RAF-SUB ON OVERFLOW GO TO MIS-SUB - This option is correct because it calls the subroutine RAF-SUB and specifies that if an overflow occurs during the execution of RAF-SUB, the program should transfer control to the subroutine MIS-SUB.
Option C) CALL RAF-SUB USING PARAM-1 - This option is correct because it calls the subroutine RAF-SUB and passes the value of PARAM-1 as an argument to the subroutine.
Option D) CALL RAF-SUB USING PARAM-1 UNTIL PARAM-1 >10 - This option is incorrect because the syntax is not valid. The "UNTIL" keyword is not a valid keyword in the CALL statement. It seems to be a mix-up with the syntax of a looping statement.
Therefore, the correct answer is D) CALL RAF-SUB USING PARAM-1 UNTIL PARAM-1 >10.