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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 from physical memory. This separation gives an extremely large virtual memory, when only a smaller physical memory is available.
Allocators can also be used to avoid problems with unsafe languages. C and C++ are pervasive, with huge amounts of existing code. They are also memory-unsafe languages, in that the
How Memory utilization factor shall be computed Memory utilization factor shall be defined as Memory in use/total memory connected
justify the role played by the operating system in managing the process to avoid deadlock
mariz
advantages and disadvantages of kernal level thread
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
idle thread The special thread a dispatcher will run when no ready thread is found. The primary purpose of the idle process and its threads is to remove what would otherwise b
1. Suggest some mechanism(s) to lower the dispatch latency while scheduling for a real-time system. Also, discuss any trade-off or consequent constraint associated with it, if a
Q. A CPU scheduling algorithm determined an order for the execution of its scheduled processes. Convinced n processes to be scheduled on one processor how numerous possible differ
Hashed page table method A general approach for managing address spaces larger than 32 bits is to use a hashed page table with the hash values being the virtual-page number.
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