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What is critical section problem?
Consider a system consists of 'n' processes. Every process has segment of code called a critical section, in which the process might be changing common variables, updating a table, writing a file. When one process is implementing in its critical section, no other process can allowed implementing in its critical section.
what is file?explain the file access methods?
problems of procedure
Define process? What is meant by state of a process? Process is a program in implementation. A process in general includes the process stack, which consists temporary data and
Write a short note on disk scheduling One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the
What is turnaround time? Turnaround time is the interval from the time of submission to the time of completion of a process. It is the sum of the periods exhausted waiting to g
Q. Does Windows XP offer any user-mode processes that enable it to run programs developed for other operating systems? Describe two of these subsystems. Answer: Environmental
Write short note on recovery regarding the file system in Windows 2000. In many file systems a power breakdown at the wrong time can damage the file system data structures so s
Question: a) The following refers to optimization under Windows XP: i) Give five steps which could undertake to enhance overall system performance in a default Windows XP in
Explain about demand paging? A demand paging system is same to a paging system with swapping. Processes reside on secondary memory. When we require executing a process, we chan
List the various file attributes. A file has particular other attributes, which vary from one operating system to another, but typically having of these: Name, identifier, typ
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