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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.
Here are the conditions necessary for a deadlock to occur; note that all of them are necessary, and none is suf?cient: 1. ?nite resources: the resources are held in a mutually-e
explain about design issues of network operating system
How does a program execution take place in multiprogramming? While the processor is dealing with a number of programs, the sequence with which programs are implemented will de
What are the allocation methods of a disk space? Methods of allocating disk space which are widely in use are a. Contiguous allocation b. Linked allocation c. Indexed
Explain FIFO page replacement A FIFO replacement algorithm associates with every page the time when that page was brought into memory. When a page must be changed, the oldest p
Multitasking - An Operating systems that is proficient of allowing multiple software processes to be run at the same time. Below are some instances of multitasking Operating Syste
Write about critical regions and monitors. Critical region definition Monitor definition Implementation of the conditional-region construct Syntax of monitor Monito
Define deadlock prevention. Deadlock prevention is a set of process for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pr
Q. The instance of handshaking used 2 bits: a busy bit as well as a command-ready bit. Is it probable to implement this handshaking with only 1 bit? If it is illustrate the protoc
Since most of the programs require a lot of memory allocation/deallocation, we expect the memory management to be fast, to have low fragmentation, make good use of locality, and be
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