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Explain the Resource Ownership and Control
Operating systems are required to handle many different types of resources. CPU , memory, and I/O devices are some of the varied system resources the OS must balance between running applications. As applications make requests of system resources, they are granted access (either exclusive or shared). As we have learned in the previous sections, each operating system provides this allocation and ownership in a slightly different manner.
Resources all allocated to the applications are generally either associated with the process or the thread that requested them. Access to these items outside of the original process or threads may be granted through inheritance or common sharing of information. Since the core design decisions vary between operating systems, it is therefore necessary to compare resource ownership on a per-platform basis. Resource ownership and control is a significant issue facing developers today.
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
THE PROGRAM WILL CHOOSE TWO RANDOM NUMBERS,THEN PRINT THEM OUT AS AN ADDITION PROBLEM.THE PROGRAM WILL THEN ASK THE USERTO ENTER THE CORRECT ANSWER.IF THE ANSWER IS CORRECT,THE PRO
USER-LEVEL THREADS (ULT) In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Th
Explain the Architecting For Threads When available, threads are an integral part of any multitasking server application program. It is important that the operating system prov
Explain about deadlock detection? In deadlock situation, the system must provide An algorithm that verifies the state of the system to verify whether a deadlock has occu
why we say " OS is a resource allocator" and “OS is a control program"?
Q. In what circumstances is a token-passing network more effectual than an Ethernet network? Answer: A token ring is extremely effective under high sustained load as no colli
what are disadvantages of using single directory
Most process abstractions support processes being destroyed when the program terminates, or in response to a specific kill directive. There are two common implementations, one a "p
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