Job Control Language (JCL) statements are Used to___________________?
Correct answer: B. Specify, to the operating system, the beginning and end of a job in a batch
- A. Allocate the CPU to a job
- B. Specify, to the operating system, the beginning and end of a job in a batch
- C. Read the input from the slow-speed card reader to the high-speed magnetic disk
- D. All of the above
Explanation
JCL tells a batch operating system where a job starts and ends and describes how it should be run. It does not directly allocate the CPU or perform the physical transfer from a card reader to disk.
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