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Q. Explain the actions taken by a kernel to context switch between kernel level threads.
Answer: Context switching among kernel threads classically requires saving the value of the CPU registers from the thread being switched out and restoring the CPU registers of the new thread being scheduled.
What are the operations of processes? Process creation A process may create several new processes. The creating process is called as parent process, where as the new proce
What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
Explain about paging? Answer: Paging is a memory-management scheme that permits the physical-address space of process to be noncontiguous. Paging avoids the considerable proble
Swapping : Whole process is moved from the swap machine to the main memory for execution. Process size must be equal or less than to the used main memory. It is easier to exe
Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and
Determine the syntax of the assembler directive EQU The following is syntax of the assembler directive EQU: EQU
Q. Consider a file at present consisting of 100 blocks. Presume that the file control block (and the index block in the case of indexed allocation) is already in memory. Compute h
what is process creation and how to create a process
Q. Consider the two-dimensional array A: int A[][] = new int[100][100]; Whereas A [0][0] is at location 200 in a paged memory system with pages of size 200. A little process
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