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What are Tree-structured directories
We can generalize the directory structure to a tree of arbitrary height. This permits the user to create their own sub directories and to classify their files accordingly. The tree has a root directory. Each file in the system has a unique path name. A path name is the path from the root, by all the subdirectories, to a specified file.
Questiion 1 What is RTOS? What are its requirements? Questiion 2 Explain the structural elements of a real time system mode Questiion 3 What is kernel? Explain abo
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
Medium term scheduling is form of the swapping operation. This attaches to processes that are in a suspended or blocked state. They are swapped out of real-memory storage until t
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
Windows admin need it Project Description: We want to protect an executable on operating system level , so the process could be visible among all users while the executable r
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
Q. Consider the following page-replacement algorithms. Rank the algorithms on a five-point scale from "bad" to "perfect" according to their page-fault rate. Detach those algorithm
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
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.
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