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Explain about demand paging?
A demand paging system is same to a paging system with swapping. Processes reside on secondary memory. When we require executing a process, we change it into memory.
Q. Explain the differences in terms of cost between the three storage types nonvolatile, volatile and stable. Answer: Volatile storage refers to main as well as cache memory an
How is it different from the unbounded buffer algorithm ? Explain.
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
What is logical address space and physical address space? The set of all logical addresses formed by a program is known as a logical address space; the set of all physical addr
Explain the Peterson's solution for the critical section problem? In Peterson's solution two variables a) flag and b) turn are used as shared variables. If the both shared vari
Define the “Throughput” of a system Throughput is Number of programs processed by it per unit time
Q. Regard as a logical address space of eight pages of 1024 words every mapped onto a physical memory of 32 frames. a. How several bits are there in the logical address? b. H
what is Number System
Explain Busy Waiting Semaphores Weak, Busy-wait Semaphores a) The simplest way to implement semaphores. b) Useful while critical sections last for a short time, or we com
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
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