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Define buffering. A buffer is a memory area that keeps data whereas they are transferred among two devices or among a device and an application. Buffering is done for three rea
Q. What are the advantages as well as disadvantages of using circuit switching? For what types of applications is circuit switching a viable strategy? Answer: Circuit
what is file?explain the file access methods?
The CTO is still impressed with your work. He just came back from a technology exposition where he heard about computer clusters. All he knows is that they are the big thing for bu
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
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
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
Discuss the high barriers to entry in the market for PL operating systems
Define Instance. An instance is an administrative unit in which components of R/3 systems giving one or more services are grouped together. The services offered by a case are
Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.
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