Q403
Job Control Language (JCL) statements are used to
A.
Read the input from the slow-speed card reader to the high-speed magnetic disk
B.
Specify, to the operating system, the beginning and end of a job in a batch
AnswerC.
Allocate the CPU to a job
D.
All of the above
E.
None of the above
Answer: Option B
Solution
Answer: Option B
Solution:
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.