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Provide two programming examples of multithreading giving improved performance over a single-threaded solution.
(1) A Web server that services every request in a separate thread.
(2) A parallelized application such as matrix multiplication where dissimilar parts of the matrix may be worked on in parallel.
(3) An interactive GUI program like a debugger where a thread is used to monitor user input, another thread shows the running application, and a third thread monitors performance.
why we say " OS is a resource allocator" and “OS is a control program"?
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
List sample file types, based on use, on the VAX under VMS. source programs (.BAS, .FOR, .COB, .PLI, .PAS, .MAR) data files (.DAT) text files (.TXT) command proced
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What is virtual memory? Virtual memory is a method that allows the execution of processes that might not be completely in memory. It is the separation of user logical memory fr
Describe the following allocation algorithms: a. First fit b. Best fit c. Worst fit a. First-fit: search the list of available memory and all
What is the Translation Lookaside Buffer (TLB) In a cached system, the base addresses of the last few referenced pages is maintained in registers known as the TLB that aids in
Why interrupt can be used? The majority of the different parts of the PC need to send information to and from the processor and they expect to be able to get the processor's at
For the first assignment you are required to construct a logic circuit onto a copper clad circuit board (vero board). This construction will require the use of planning the positio
Message passing system:- The function of message system is to permit processes to communicate with one another without the requirement to resort (option) to shared data. Commun
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