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Cs 2301 Unit 4 Homework

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CS 2301 Programming Assignment Unit 4: Abstraction
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University of the People

Abstract 1. Explain cache coherency. 2. What is the benefit of using sparse addresses in virtual memory? 3. Name and describe the different states that a process can exist in at any given time. 4. Describe two general approaches to load balancing. 5. Describe the differences between physical, virtual, and logical memory.

CS 2301 Programming Assignment Unit 4: Abstraction This week we continued to learn the different elements of virtualization. The exploration of the ins and outs of this key concept of operating systems continued with the expansion of our knowledge of scheduling, in particular the topic of multi-processor scheduling. The unit rounded out with …show more content…
Describe two general approaches to load balancing Physical memory is memory that is available for CPUs or computers to execute operations. This types of memory includes RAM and cache as examples. Virtual memory is when the use of disk memory is used for programs that take up larger portions of memory than is available. Logical memory when the memory is simplified and is liberated from storage limitation constraints. This is applied by either applications or programmers using abstraction (Arpaci-Dusseau, 2014).
Conclusion
In closing, there are a lot of different aspects, elements, and characteristics that are used in and help execute the concept of virtualization. Many of these pieces build on, overlap with, and/or work off of one another. At times, most of the different features will be used, and other times, only some. Many protocols for processes may not be used at all. The important thing is that we learn all the fundamentals of operating systems so we can have a complete view of the subject.
References
Arpaci-Dusseau, R. & Arpaci-Dusseau, A. (2012). Operating Systems: Three Easy Pieces. Madison, WI: University of Wisconsin-Madison. Retrieved from:

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