45458965, Operating System

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How program execute in operating system, Q. How Program execute in operatin...

Q. How Program execute in operating system? Program execution- The operating system fills the contents (or sections) of a file into memory as well as begins its execution. A us

Differences between foreground and background, Describe the differences bet...

Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no

Define logical address and physical address, Define logical address and phy...

Define logical address and physical address. An address formed by the CPU is referred as logical address. An address seen by the memory unit that is the single loaded into the

Describe the possible rmi invocation semantics, Question: (a) Briefly d...

Question: (a) Briefly discuss and describe the possible RMI invocation semantics. (b) (i) What is data marshaling? (ii) Explain the role of a remote object reference dur

Cache replacement policies, The physical memory acts as a cache backed by t...

The physical memory acts as a cache backed by the disk. When the physical memory is full, and we want to read in another page from disk, we have to evict a page from physical memor

Contiguous-memory allocation, Compare contiguous-memory allocation with pur...

Compare contiguous-memory allocation with pure paging in the following aspects: 1. In support of dynamic memory allocation: most systems allow programs to allocate more memory t

Explain lru approximation page replacement, LRU approximation page replacem...

LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for

What is the information associated with an open file, What is the informati...

What is the information associated with an open file? Various pieces of information are associated with  an open file which may be: File pointer Disk location of th

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