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Question 1:
(a) Discuss about the evolution of operating systems from mainframe batch systems to mainframe time sharing systems.
(b) Explain your understanding of the "suspend" state of a process, supplying justifications for its existence.
(c) Discuss about 5 possible elements involved with "process control" information.
(d) Draw a 5 state queuing diagram which caters for multiple blocked queues.
Question 2:
(a) Explain the concept of mutual exclusion.
(b) Discuss requirements needed to provide support for mutual exclusion.
(c) Discuss, stating advantages and disadvantages, of User Level threads and Kernel level threads.
Question 3:
(a) Discuss about issues involved with dynamic partitioning of memory management.
(b) Discuss the implications involved with the readers/writers problem.
Q. A CPU scheduling algorithm determined an order for the execution of its scheduled processes. Convinced n processes to be scheduled on one processor how numerous possible differ
Demand paging gives that pages could only be brought into memory if the running process acts them. This is usually referred to as lazy evaluation as only those pages operated by
A- In a table format, compare between Programmed I/O, Interrupt -driven I/O, and Direct Memory Access (DMA) in terms of basic idea, Advantages, disadvantages, and the operating en
Page fault is a trap to the software gained by the hardware when a process accesses a page that is goes in the virtual address space, but not added in physical memory. In the har
What are the disadvantages of linked allocation? The drawbacks are a. Used only for sequential access of files. b. Direct access is not supported c. Memory space neede
advantages and disadvantages
Determine a critical section is a program segment Critical section is where shared resources are accessed
Question 1 Explain (a) tightly coupled systems (b) Loosely coupled system Question 2 Describe the RPC model Question 3 Write a note o
When the Page fault frequency in an operating system is reduced Locality of reference is appropriate to the process
ADVANTAGES AND INCONVENIENCES OF KLT Advantages: the kernel be able to simultaneously schedule many threads of the same process on many processors blocking
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