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Consider a system that uses pure demand paging:
a. When a process first start execution, how would you characterize the page fault rate? b. Once the working set for a process is loaded into memory, how would you characterize the page fault rate? c. Assume a process changes its locality and the size of the new working set is too large to be stored into available free memory. What are some options system designers could choose from to handle this situation?
When a page fault occurs, the process requesting the page must block while waiting for the page to be brought from disk into physical memory. Assume there exists a process with five user-level threads where the mapping of user threads to kernel threads is many to one. If one user thread incurs a page fault while accessing its stack, would the other user user threads belonging to the same process also be affected by the page fault (i.e., would they also have to wait for the faulting page to be brought into memory?) Explain.
What is the difference between a safe state and an unsafe state in a deadlock-avoidance system?
Simulation of Elevator and Shortest Seek Time First
Explain the following terms in relation to linear programming problems- (1) decision variables (2) objective function
Qqueue for service (if the server process is busy servicing another request). Requests in queue are served according to the scheduling policy in use: First-In-First-Out (FIFO) scheduling.
Assuming fetches to main memory are started in parallel with look-ups in cache, calculate the effective (average) access time of this system.
n a competitive market place (pure competition) is it possible to continually sell your product at a price above the average cost of production.
The purpose of this program is to change such that it makes use of the IPC facilities provided by UNIX.
Analysis and implementation of algorithms for memory allocation in operating system, Explain First- t and best- t methods are used in memory allocation in operating systems.
Given that main memory is consisted of three page frames for public use and that seven-page program (with pages a, b, c, d, e, f, g) requests pages in the following order: a, b, a, c, d, a, e, f, g, c, b, g.
Select one of two possible short reports, Subject 1. Page Replacement Algorithms and Block Caching, Subject 2. Storing Blocks and Remembering Where You Stored Them
Explain the concepts of consumable and reusable resources
The premise of Project 2 is to create your own shell. Your shell will be launchable from a terminal window and act similar to the existing shell.
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