Which scheduler decides which jobs are admitted into memory to control the degree of multiprogramming?
Correct answer A. Long-term (job) scheduler
Explanation
The long-term scheduler chooses which jobs to bring into the system and so controls how many processes are in memory. The short-term scheduler picks the next ready process for the CPU and runs very often. The medium-term scheduler swaps processes out and back in to reduce load, and the dispatcher is the module that actually hands the CPU to the chosen process.
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