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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 programs. The cure is to enhance the memory allocation for each program. This may perhaps have to be achieved by removing some programs from the memory that is by decreasing the degree of multiprogramming.
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Can you please explain in easy words how input output protection works
Now let us present an implementation of a producer-consumer system using condition variables. This implementation works. dequeue() lock(A) while (queue empty) { wait(A, C)
Ask question #Minimum 100 difference between bounded and unbounded buffer words accepted#
what is exit status
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that put back the page that will not be us
Give an overview of WINDOWS 2000 file management. Windows makes use of the NTFS and File Allocation Table file systems. The Older versions of the FAT file system had file name
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
What are the objectives for a file management system? To meet the data management wants and requirements of the user, which embrace storage of data and the ability to
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