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Q) a. Given that the first three necessary conditions for a deadlock are in place, comment on the feasibility of the following strategy. All processes are given unique priorities. When more than one process is waiting for a resource and the resource becomes available, allocate the resource to the waiting process with the highest priority.
b. Would the support of user-level threads change your answer for part a? Explain.
what is network operating? explain about it design issues?
What is the purpose of the command interpreter? Why is it usually separate from the kernel? It reads commands from the user or from a file of commands and executes them, usuall
What are the different directory structures? Explain each type. There are five dissimilar directory structures: 1. Single level directory 2. Two level directory
Translation Look aside Buffer In a cached system, the base addresses of the last few indexed pages is maintained in registers named the TLB that adds in faster lookup. TLB has
What is a pure demand paging? When starting implementation of a process with no pages in memory, the operating system sets the instruction pointer to the first instruction of t
Describe the differences between symmetric and asymmetric multiprocessing. What are three advantages and one disadvantage of multiprocessor systems? Symmetric multiprocessing t
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
origin of opreation reasrech
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
MEMORY MANAGEMENT USING BUDDY SUSTEM Here we are dividing the memory as powers of two as well as we are selecting the space which is smallest but large enough to hold a process
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