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What is meant by context switch?
Switching the CPU to another process needs saving the state of the old process and loading the saved state for the latest process. This task is called as context switch.
System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
When you run a program on your UNIX system, the system prepares a special environment for that program. This environment owns everything needed for the system to execute the progra
Compare contiguous-memory allocation with pure paging in the following aspects: 1. In support of dynamic memory allocation: most systems allow programs to allocate more memory t
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Question 1 Explain with diagram all possible states a process visits during the course of its execution Question 2 Discuss Inter-process Communication. What is critical-secti
how to find ncr value in shell script
Explain the Resource Ownership by Platform Ownership of data items may further be complicated by concepts defined in certain operating systems. Each operating system defines "p
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
approaches to identify free memory area in a heap
Prepare Gantt Charts and Determine the Average Waiting Time 1. Classify the interaction among the processes on the basis if degree to which they are aware of each other's exi
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