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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.
Smith, who is a civil engineer, purchased a 30-hectare block of land in Australia in 1986 and used two hectares of it as a main residence. The part that was not main residence cost
what is semantics of system call execution?
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What is a file path name? A list of the subdirectories, directories, and files we must traverse to reach a file from the root directory.
what is file abstraction?
Define deadlock. A process requests resources; if the resources are not available at that time, the process enters a wait state. Waiting processes might be never again change s
FIFO page replacement This is the easiest page replacement algorithm. At this juncture the 1 st page entering is the 1 st to leave that is the oldest page leaves. To execute
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What is single and multithreading and thread pool?
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
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