Please answer the 4 multiple choice questions below:

A thread attempting to secure a spin lock will remain in the run state during the time it takes to gain possession of the lock. True False Both processes and threads have various attributes as we've seen in chapter 3 Which of the following attributes is NOT a thread attribute: CPU general purpose register values run. ready and block states the active stack memory object the current address space Each thread of a given process has a LWP (Light Weight Process) identifier (sometimes called a thread-ID or TID), but they all share the same PID. True False A user thread running in user mode can never remain in user mode for very long. The thread will enter the kernel run state within a guaranteed maximum time span because: the CPU that it's running on will receive a clock interrupt random alpha particles raise exceptions on all CPUs every few milliseconds no thread can execute for more than a few instructions without causing an exception the thread is forced to make a system call