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How can the deadlock be prevented
Bankers algorithm: The Resource allocation graph algorithm isn't applicable to a resource allocation system with multiple instances of every resource type .This algorithm isn't as efficient as the above one .It's so called thus because this algorithm is used in banking system to ensure that the bank never allocated its available cash in such a way that it could no longer satisfy the needs of all its customer. In this algorithm there subsist matrices to hold the needed, available and allocated resources.
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.
Q. List the four steps that are essential to run a program on a completely dedicated machine. Answer: a) Reserve machine time b) Manually load program into memory c)
Explain the Thread Local Storage (TLS) Windows NT provides unique functions for per-thread data management. Thread local storage (TLS) is a concept defined in NT so develope
1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory
simulate hole allocating ahogrithm
How the Nested Macro calls are expanded LIFO (Last in First out)
Q. Name two differences between logical and physical addresses? Answer: A logical address doesn't refer to an actual existing address rather it refers to an abstract address in
What is an operating system process? How is it different from a program? Why do we need the concept of a process, rather than simply talk about programs running in memory? The e
What are the drawbacks of spiral model? I. It is based on customer communication. If the communication is not proper then the software product that gets developed will not be t
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