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Q. How would utilize of a RAM disk affect your selection of a disk-scheduling algorithm? What factors would you require to consider? Do the similar considerations apply to hard-disk scheduling given that the file system stores recently utilized blocks in a buffer cache in main memory?
Answer: Disk scheduling attempts to decrease the overhead time of disk head positioning. Ever since a RAM disk has uniform access times scheduling is largely unnecessary. The comparison among RAM disk and the main memory disk-cache has no implications for hard-disk scheduling for the reason that we schedule only the buffer cache misses not the requests that find their data in main memory.
What is a Real-time system? A Real-time system is used when inflexible time requirements have placed on the operation of processor or the flow of data so it is often used as a
Invalid page fault :If a page fault happens for a reference to an address that's not part of the virtual address space, so that there could not be a page in memory corresponding
Q. What are the reasons for process suspension? Reasons for process suspension 1. Swapping 2. Timing 3. Interactive user request 4. Parent process request
Processes- Making the System More Responsive and Useful A method by definition build up of a code execution and resource ownership. A process has two main characteristics, code
what is network operating? explain about it design issues?
Write a note about Directory structure with examples. The FreeBSD directory hierarchy is basic to obtaining an overall understanding of the system. The most significan
Note that the parameter for scanf doesn't need the address operators & because name is an address. However the variable name has no defined space. This can cause problems within C
Q. Why do some systems stay track of the type of a file while others leave it to the user or simply don't implement multiple file types? Which system is "better?" Answer: A f
RESOURCE ALLOCATION GRAPH When a process Pi wishes an instance of resource type Rj, a request edge is inserted in the resource allocation graph. When this request is able to be
Q. Once more considering the RPC mechanism consider the exactly once semantic. Does the algorithm for implementing this semantic implement correctly even if the ACK message back to
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