When can a process switch in a multiprogrammed operating system?
Understand the Problem
The question is asking about the conditions under which a process can switch in a multiprogrammed operating system, with multiple answer options provided to choose from.
Answer
During an I/O request or when time quantum expires.
A process can switch in a multiprogrammed operating system when an I/O request is made before the quantum expires, or when the set time quantum has expired.
Answer for screen readers
A process can switch in a multiprogrammed operating system when an I/O request is made before the quantum expires, or when the set time quantum has expired.
More Information
In a multiprogrammed system, context switching allows the CPU to be fully utilized by switching processes when a process is waiting for I/O operations or when its time slice is over. This maximizes CPU usage and overall system efficiency.
Tips
A common mistake is to think that context switching always happens after a fixed time interval even if a process requests I/O before the time expires.
Sources
- Multi-Programming in Operating Systems - GeeksforGeeks - geeksforgeeks.org
- Multiprogramming Overview - JMU - w3.cs.jmu.edu
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