Answer the following statements true (T) or false (F)
1) In a multiprogramming system multiple processes exist concurrently in main memory.
2) The key to multiprogramming is scheduling.
3) The medium-term scheduler is invoked whenever an event occurs that may lead to the blocking of the current process or that may provide an opportunity to preempt a currently running process in favor of another.
4) Scheduling affects the performance of the system because it determines which processes will wait and which will progress.
5) The main objective of long-term scheduling is to allocate processor time in such a way as to optimize one or more aspects of system behavior.
1) T
2) T
3) F
4) T
5) F
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