Answered: Why are two modes (user and kernel)…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Why are two modes (user and kernel) needed?
6.What are the steps performed by an OS to create a new process?
7.What is the difference between an interrupt and a trap?
8.List reasons why a mode switch between threads may be cheaper than a mode switch between processes.
9.Give four general examples of the use of threads in a single-user multiprocessing system.
10.What resources are typically shared by all of the threads of a process?
11.List three advantages of ULTs over KLTs.
12.List two disadvantages of ULTs compared to KLTs.
13.Give examples of reusable and consumable resources.

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