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A swapping system eliminates hole by compaction. assuming a random distribution of many holes and many data segments and a time to read or write a 32-bit memory word of 10 nsec, about how long does it take to compact 128 MB? for simplicity, assume that word 0 is part of a hole and that the highest word in memory contains valid tries are needed in the page table if traditional(one-level) paging is used? how many page table entries are needed for two-level paging, with 10 bits in each part?
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 concepts of consumable and reusable resources
What is Life Cycle Costing. Describe briefly the methodology for Life Cycle Costing. What are the criteria to consider when a procurement officer is faced with the decision of procuring a used equipment instead of a new one.
Give three technical merits of UNIX b) Differentiate between "clustered systems" and "real-time systems". c) Describe the purpose of using "trust relationship"
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.
Develop a user mode command interpreter which support list-short.
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
Formulate the linear programming model for this problem Plot a graph indicating and labelling clearly all the constraints, the feasible region (R) and the optimal point (X)
Virtual machines supported by a host operating system
i. Deadlock avoidance ii. Deadlock prevention and iii. Deadlock detection
Simulate the long-term scheduler, the short-term scheduler and the I/O scheduler of the computer using the First-Come-First-Serve algorithm.
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