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Define Middleware to Ease the Low-Level Protocol Burden
Fortunately, many products are available today to ease the low-level protocol burden on the application programmer. Middleware is a term used to denote these products that provide soft ware layers to shield the complexity of application development from core underlying protocols or services. Sample middle ware includes session - oriented, RPC - based, message- oriented, database interface systems and file- transfer products from a variety of vendors.
Determine what the “blocking factor” of a file is Blocking factor is the number of logical records in one physical record
Explain the various methods for handling deadlocks. A set of processes is deadlocked if every process in the set is waiting for an event that only a process in the
Medium term scheduling This is component of the swapping function. Usually the swapping in decision is based on the need to manage the degree of multiprogramming. At a system t
What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr
What is the difference between multiprocessing and multitasking? Multi programming means implementing more than one program but here whenever the processor is idle during execu
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Short term scheduling The short term scheduler as well known as the dispatcher executes most frequently and makes the fine grained decision of which process to execute next. Th
How does communication takes place in a distributed system? Distributed systems depend on the networking for their functionality. A network is a communication path among two
explain any four types of operating system feature and structure(design)
Q. It is occasionally said that tape is a sequential-access medium whereas magnetic disk is a random-access medium. In fact the correctness of a storage device for random access d
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