1.2. Fully discuss how interrupts improve the efficiency of the processor; make use of a diagram to show how processor switches between different user programs and 1/0 programs during an interruption....

Extracted text: 1.2. Fully discuss how interrupts improve the efficiency of the processor; make use of a diagram to show how processor switches between different user programs and 1/0 programs during an interruption. 1.3. Discuss in details the difference among programmed 1/0, Interrupt Driven 1/O and Direct Memory access over the processor. 1.4. Discuss in details the difference between multiprocessor and multicore systems. 1.5. With the help of diagrams, discuss the difference between single and multiple blocked queue. 1.6. Discuss in details the characteristics that define the symmetric multiprocessors as a stand- alone computer system. 1.7. Mention and discuss four categories of security and protection as it relates to operating systems. 1.8. Mention and discuss in details the disadvantages of using special machine instruction to enforce mutual exclusion. 1.9. Mention and discuss the conditions for deadlocks. 1.10. Fully discuss general approaches to dealing with deadlocks. 1.11. Draw a diagram showing how virtual addresses are translated in a paging system.