Discussion :: Operating System
- Job Control Language (JCL) statements are used to
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A.
Read the input from the slow-speed card reader to the high-speed magnetic disk |
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B.
Specify, to the operating system, the beginning and end of a job in a batch |
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C.
Allocate the CPU to a job |
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D.
All of the above |
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E.
None of the above |
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Answer : Option B
Explanation :
JCL (job control language) is a language for describing jobs (units of work) to the MVS, OS/390, and VSE operating systems, which run on IBM's S/390 large server (mainframe) computers. These operating systems allocate their time and space resources among the total number of jobs that have been started in the computer.
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