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Explain Deadlock Prevention-Resource allocation graph allocation
Resource allocation graph algorithm: Using this algorithm we are able to actually know if there exists in the system. For the reason that if there exists a cycle in the graph then there is a deadlock. In this graph we have acquired both the process and the resources. There is as well request edge and assignment edge.
Define the Client - Server Communications Environment Today's client - server communications environment offers programmers great flexibility for application design. Applicatio
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
Question : (a) The dynamic allocation problem is how to satisfy a request of size n from a list of free holes into memory. The best-fit, first-fit and worst-fit strategies are
Explain root partition The root partition,which have the operating-system kernel and potentially other system files, is mounted at boot time. In successful mount operation, ope
Define thrashing. Thrashing is the accident of high page traffic and low CPU utilization. It is observed that the cause of thrashing is an under-commitment of memory to program
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
Overlay structured program: A program consisting of overlays is referred as overlay structured program in which an overlay is a part of program which has similar load origin as
GUI - Short for Graphical User Interface a GUI Operating System contains icons and graphics and is commonly navigated by using a computer mouse. Below are some instances of GUI Op
Paging: Only the needed memory pages are moved to main memory from the swap machine for execution. Process size does not matter. Produce the concept of the virtual memory. It
linked allocation using i node
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