Multiple choice technology mainframe

Select the Valid label name for SIGNAL ON instruction?

  1. SYNTAX

  2. ERROR

  3. NOVALUE

  4. READY

Reveal answer Fill a bubble to check yourself
A,B,C Correct answer
Explanation

REXX's SIGNAL ON instruction traps specific error conditions. SYNTAX catches syntax errors, ERROR catches any error condition, and NOVALUE catches references to uninitialized variables. READY is not a valid SIGNAL condition.