1. The contents of the trap table are set when: i. the OS boots ii a system call is made a trap handler runs 2. The location of the trap table is stored in hardware. (True or False?) 3. What does "preemptive scheduling" mean? i. processes are run one at a time ii. all processes are eventually run one process can be stopped to let another one run 4. Code running in user mode is allowed to run a trap instruction. (True or False?) 5. Round-robin tends to perform better than other scheduling algorithms with respect to average turnaround time. (True or False?)