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Linked list allocation using index
The blocks don't have a fixed size. Pointers are utilized to point to the next block in a file. The pointers are set aside as a separate table in the main memory. Therefore traversal is made easier since we need not go to the hard disk each time a block needs to be accessed.
Consider a file with these blocks 4K, 2K, 10K, 1K
The table for the file pointers can be symbolized as follows:
Q. Explain about Error detection method? Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possi
how to move the system app to usb storage
A- Consider a computer system that provides a virtual memory space that consists of 8 pages. The physical memory contains 4 pages where the page size is 4Kbytes. Assume that at sp
What are the two principles in Hungarian method?
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
QUICK FIT ALGORITHAMS Here we keep apart lists for holes and processes. Therefore this reduces the searching time for holes Hole list and Process list. If we organize the li
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Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
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