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What are the typical elements of a process image?
User data: Modifiable part of user space. May have program data, user stack area, and programs that might be modified.
User program: The instructions to be executed.
System Stack: Each process has one or more LIFO stacks associated with it. Used to keep parameters and calling addresses for process and system calls.
Process control Block: Info needed by the OS to control processes.
How are file sharing and protection implemented? To execute file sharing and protection the system have to maintain more file and directory attributes than are needed on a sing
Contiguous allocation The contiguous-allocation method needs each file to occupy a set of contiguous blocks of the disk. Disk addresses explain a linear ordering on the disk. T
Q) a. Given that the first three necessary conditions for a deadlock are in place, comment on the feasibility of the following strategy. All processes are given unique priorities.
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
Single level directory: This is the easiest directory structure. All the files are controlled in the same directory, which is simple to support and understand. Few of the li
What is sector sparing is proper definition
What disadvantages are there to this two-level directory? Without other provisions, two users who require cooperating with each other are hampered in reaching every other's fi
Q. How does NTFS handle data structures? How does NTFS recover from a system crash? What is guaranteed after a recovery takes place? Answer: In NTFS all file-system data stru
Long term scheduler calculates which processes are admitted to the machine for processing. It accepts the degree of multiprogramming. Once accepted, a job converts a process.
what are the threds in operating system?
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