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Define Instance.
An instance is an administrative unit in which components of R/3 systems giving one or more services are grouped together. The services offered by a case are initialized and stopped at random. All components are parameterized using a joint instance profile. A central R/3 system having of a single instance in which all-essential SAP services are offered. Every instance uses separate buffer areas.
Write a short note about context switch. Switching the CPU to another process needs saving the state of the old process and loading the saved state for the new process. This ta
Q. Why is it complicated to protect a system in which users are allowed to do their own I/O? Answer: In earlier chapters we identified a distinction among kernel and user mod
What are the various scheduling criteria for CPU scheduling? The various scheduling criteria are CPU utilization
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