PLEASE ANSWER ASAP

CISC 3320 - Prof. Xiang 8. (4-pt) The right panel has the structure of a producer process in the bounded buffer problem. Answer the following questions: a) What is the type of empty as a synchronization device, and what initial value it should hold? b) What is the purpose of line 6 ? c) Can you switch line 5&6 ? Why? d) What is the purpose of line 11? 9. (3-pt) What are the four conditions that must hold simultaneously for a deadlock to happen. Which of them is relatively easy to break to prevent deadlock? 10. (3-pt) Given these measures for reducing the size of page table: a) Hierarchical paging b) Hash page tables c) Inverted page tables Which one is system-wide (i.e., not per-process)? Which one is per-process but may reduce the number of memory access? Which one uses a multiple level scheme