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Q. Most WANs utilize only a partially connected topology. Why is this subsequently
Answer: Cost. A completely connected network requires a link between every node in the network. For a WAN this may be too costly as communication links among physically distant hosts may be expensive.
What are the requirements to be satisfied by the critical section problem? Following are the necessities to be satisfied by the critical section problem: a) Mutual exc
Additional-reference-bits algorithm We can keep an 8-bit byte for every page in a table in memory. The operating system shifts the reference bits right 1 bit, discarding the lo
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
MEMORY MANAGEMENT USING BIT MAPS In this memory is separated into different allocation units each of some particular size(a few bites).consider every space of size 4k. A
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
what is inter process communication..
Define what is Dispatcher In the Worker Model, it is the task of the Dispatcher to spawn a thread for every client-to-server connection. The Dispatcher acts as the go-between o
Suppose a logical address space is 1KB, and the page-size is 16 bytes. Assume no page is in the main memory for this process initially and the pure demand paging is used. Current f
How could we implement locks? No matter how we choose to implement them, we must have some hardware support. One possibility for implementing locks on a uniprocessor machine is is
A working Ubuntu Linux operating system. You can use a Live-CD to complete this assignment. Create an empty text file named assignment6.txt in your home directory. Edit this
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