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State critical section problem? Discuss three solutions to solve the critical section problem.
C-S Problem:-
Solution to the C-S problem
1. Mutual Exclusion - No two processes eat concurrently
2. Progress - If no process eats forever, and some process is hungry, then some (potententially different) hungry process eventually eats.
Write a short note on disk scheduling One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the
function of lazy swapper
A- Consider a computer system that provides a virtual memory space that consists of 8 pages. The physical memory contains 4 pages where the page size is 4Kbytes. Assume that at sp
A UNIX file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contains 10 direct entries, and one single, double, and triple indirect entry
Question : The file system is the most visible aspect of an operating system. It provides the mechanism for on-line storage and access to both data and programs of the operatin
demonstrate ergonomics
Write note on process, process state? A process is in excess of the program code which is sometimes known as text section. It as well includes the current activity as represent
What is meant by demand paging? Explain. Demand paging is a technique to implement virtual memory. In demand paging simply when a page is required it is brought into memory. As
Write a note on the usage of semaphores. Semaphore is a synchronization tool and it is a variable having integer values. It is accessed only by two standard atomic operations w
what is multilevel page table and its applications?
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