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Q. Explain a mechanism by which one segment could belong to the address space of two different processes.
Answer: Because segment tables are a collection of base-limit registers segments can be shared when entries in the segment table of two different jobs point to the same physical location. The two segment tables should have identical base pointers and the shared segment number should be the same in the two processes.
Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on
What is long-term, medium-term, short-term? In a batch system many processes are submitted than are able to be executed immediately. These processes are reel to a mass storage
Q. Why is it significant to balance file system I/O among the disks as well as controllers on a system in a multitasking environment? Answer: A system can perform mere
Suppose we want to program a Web server; we could easily do so without using concurrency, as follows: while(true) wait connection read from socket and parse url look up url cont
Q. Explain about Functions of Operating System? Functions of Operating System Operating system performs 3 functions as follows: 1. Convenience: Operating System mak
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
Recall that condition variables are synchronization primitives that enable threads to wait until a particular condition occurs. Generalizing, the combination of locks and condit
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
properies of Batch oriented and interactive operating system.
Q. In a disk jukebox what would be the result of having more open files than the number of drives in the jukebox? Answer: Two bad results could result. One likelihood is star
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