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What are the typical elements of a process image?
User data: Modifiable part of user space. May have program data, user stack area, and programs that might be modified.
User program: The instructions to be executed.
System Stack: Each process has one or more LIFO stacks associated with it. Used to keep parameters and calling addresses for process and system calls.
Process control Block: Info needed by the OS to control processes.
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what is the use of valid invalid bits in paging
What is input output operation ?
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
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