Question: 1. In a threaded system, what information needs to be stored in the process descriptor(PCB)? what needs to be stored in the thread descriptor (TCB

1. In a threaded system, what information needs to be stored in the process descriptor(PCB)? what needs to be stored in the thread descriptor (TCB )?

2. When does a computer system switch from user mode to kernel mode? when back to user mod

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