Multiple choice technology mainframe

A JCL statement consists of one or more ---- bytes of records?

  1. 60

  2. 80

  3. 100

  4. 120
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

JCL statements are fixed-length 80-byte records, inherited from IBM punch card standards. Columns 1-2 contain //, columns 3-71 for name/operation/parameters, column 72 for continuation, and columns 73-80 for sequence numbers (optional). 60, 100, and 120 bytes are not standard JCL record lengths.

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