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What is long-term, medium-term, short-term?
In a batch system many processes are submitted than are able to be executed immediately. These processes are reel to a mass storage device, where they are kept back for later execution. The job scheduler or long term scheduler selects processes from this pool and loads them into memory fro execution.
The CPU scheduler or short term scheduler selects from among the processes that are ready to allocates and execute the CPU to one of them. Long term scheduler executes less often whereas short term scheduler executes very frequently. The major idea behind a medium-term scheduler is that sometimes it can be advantageous to remove processes from memory and thus reduce the degree of multiprogramming. Later the process is able to be reintroduced into memory and its execution can be executed can be continued where it left off. Medium -term scheduler swap out and swap in processes.
Define Maintaining Data on a Per Client Basis Perhaps the most dramatic syntactical programming change for the application developer of client – server applications is maintain
Refer a program with a linked origin of 5000. Suppose the memory area allocated to it have the start address of 70000. Determine the value to be loaded in relocation register?
Q. Explain Message passing among systems? Communications- Message passing among systems requires messages to be turned into packets of information and sent to the network contr
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
summary of what operating system do
Write about directory structure?
unequal size partition
Present your own fully documented and tested programming example illustrating the problem of unbalanced loads. Describe the use of OpenMP's scheduler as a means of mitigating this
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
what is application software?
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