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Q. Provide two programming instances in which multithreading provides better performance than a single-threaded solution.
Answer: (1) A Web server that services every request in a separate thread.
(2) A parallelized application such like matrix multiplication where different parts of the matrix may be worked on in parallel.
(3) An interactive GUI program such like a debugger where a thread is used to monitor user input and another thread represents the running application and a third thread monitors performance.
Contiguous allocation The contiguous-allocation method needs each file to occupy a set of contiguous blocks of the disk. Disk addresses explain a linear ordering on the disk. T
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Applications allocate memory in terms of the number of bytes that they need, but this level of granularity is too ?ne-grained for the operating system to manage the system memory i
Q. Explain about Time Sharing Systems? Time Sharing Systems Multi-programmed batched systems provide an environment where various system resources (for illustration CP
distinguish between dynamic and fixed partitioning
In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
describe main points of multiuser and multi tasking operating systems.
What disadvantages are there to this two-level directory? Without other provisions, two users who require cooperating with each other are hampered in reaching every other's fi
how do you calculate page faults
Q. What is the basic function of Assembler ? Input to an assembler is an assembly language program. Output is an object program and information which enables the loader to prep
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