Required Actions: Discover how to manage/allocate virtual memoryThe size of virtual memory can somet

  

Required Actions: Discover how to manage/allocate virtual memoryThe size of virtual memory can sometimes be adjusted by a computer user to improve system performance. Using an operating system of your choice, discover if you can change the size of virtual memory, how to do so, and the minimum and maximum recommended sizes of virtual memory. Write a brief summary including what virtual memory is and how it is utilized by your operating system, what operating system was utilized for this hand-on exercise; providing a screen capture of the virtual memory settings, and the steps required to retrieve the desired information. (Important! Do not change the size of your virtual memory settings unless you know what you are doing.This exercise is for research purposes only.)ORPrepare a presentation where you discuss the different dynamic storage allocation algorithms, First-fit, Best-fit, and Worst-fit.Include the pros and cons of each algorithm? Conclude with which algorithm is the best? Support your argument with references and utilize graphics/illustrations if they add value to your presentation discussion.Make sure you proof and edit carefully before submitting.Always cite your source using APA guidelines.

Introduction:

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Virtual memory is an essential component in computer systems that allows programs to operate efficiently with limited physical memory. When a computer runs out of physical memory, it uses a combination of RAM (Random Access Memory) and hard disk space to create virtual memory. In this article, we will explore how to manage or allocate virtual memory using an Operating system of your choice. We will also discuss the minimum and maximum recommended sizes of virtual memory to optimize performance.

Description:

In this exercise, we will learn how to manage or allocate virtual memory on the operating system of your choice. We will explore the steps required to change the size of virtual memory, and the minimum and maximum recommended sizes to ensure optimal performance. It is important to note that changing virtual memory settings can impact your computer’s stability, so it is recommended to proceed with caution. As part of the exercise, we will provide a screen capture of the virtual memory settings and the steps required to retrieve the desired information.

Alternatively, we can prepare a presentation discussing the different dynamic storage allocation algorithms such as First-fit, Best-fit, and Worst-fit. These algorithms play a critical role in how virtual memory is allocated and managed. We will explore the pros and cons of each algorithm and conclude with which algorithm could be deemed as the best. To support our argument, we will utilize references and graphics/illustrations to add value to the presentation discussion.

Regardless of the topic selected, it is important to proofread and edit thoroughly before submission as well as ensure APA guidelines are followed when citing sources.

Objectives:
– To understand the concept of virtual memory and its importance in system performance.
– To learn how to manage and allocate virtual memory in an operating system.
– To compare and contrast different dynamic storage allocation algorithms.

Learning Outcomes:
– Describe what virtual memory is and how it is used in the operating system.
– Identify how to change the size of virtual memory and what the recommended minimum and maximum sizes are.
– Be able to retrieve information related to virtual memory settings on the operating system used for the exercise.
– Evaluate the advantages and disadvantages of the First-fit, Best-fit, and Worst-fit dynamic storage allocation algorithms.
– Justify which dynamic storage allocation algorithm is the best based on references and graphics/illustrations presented in the discussion.

Managing/Allocating Virtual Memory:
– Operating System used: Windows 10.
– Virtual memory can be adjusted by going to System Properties -> Advanced System Settings -> Performance Settings -> Advanced -> Virtual Memory.
– The recommended minimum size is 1.5 times the amount of RAM installed, while the maximum size is three times the amount of RAM installed.
– Virtual memory is a feature that enables a computer to compensate for shortages of physical memory. When the system runs out of RAM, it moves data from the RAM to the hard disk, freeing up space in the RAM for other programs.
– Screen capture of the Virtual Memory settings is required.

Dynamic Storage Allocation Algorithms:
– First-fit algorithm is easy to implement and has a fast allocation time, but can lead to external fragmentation.
– Best-fit algorithm uses the smallest free block of memory, which minimizes fragmentation, but has a slower execution time.
– Worst-fit algorithm can lead to inefficient use of memory, but has a faster execution time.
– Based on research, the Best-fit algorithm is considered the best due to its ability to minimize fragmentation.

Solution 1: Managing Virtual Memory in an Operating System

Virtual memory is an essential component of computer systems that enables the operating system to address more memory than is physically available. By using the hard disk as an extension of memory, virtual memory allows applications to run smoothly without running out of memory.

In this exercise, we will explore how to manage virtual memory in Windows 10. To adjust the size of virtual memory, follow these steps:

1. Click on the Start menu and type “Advanced System Settings.”
2. Click on “View Advanced System Settings.”
3. Under the “Advanced” tab, click on “Settings” under the “Performance” section.
4. Select the “Advanced” tab and click on “Change” under the “Virtual Memory” section.
5. Uncheck “Automatically manage paging file size for all drives” and select the drive you wish to configure.
6. Choose the “Custom size” option and enter the desired size for the initial size and maximum size (in megabytes).
7. Click “Set” and then “OK” to save the changes.

It is important to note that changing the size of virtual memory could affect the stability and performance of the system, so it is recommended to adjust it only if necessary.

The recommended minimum size for virtual memory is the amount of RAM installed on the system, and the recommended maximum size is three times the amount of RAM. In general, it is desirable to have more physical memory installed on the system to avoid heavy usage of virtual memory.

Below is a screen capture of the virtual memory settings in Windows 10:

![Virtual memory settings in Windows 10](https://i.imgur.com/6nyAZP5.png)

(Source: Microsoft, n.d.)

Solution 2: Understanding Dynamic Storage Allocation Algorithms

Dynamic storage allocation is a critical aspect of computer systems that allows programs to request and release memory at runtime. There are several dynamic storage allocation algorithms, including First-fit, Best-fit, and Worst-fit.

First-fit is an allocation algorithm that searches for the first available block of memory that is large enough to accommodate the requested size. Best-fit, on the other hand, searches for the smallest available block that can accommodate the requested size. Worst-fit allocates the largest available block of memory that can accommodate the requested size.

Each algorithm has its advantages and disadvantages. First-fit is simple and efficient, but it can lead to fragmentation, where small gaps are left between allocated memory blocks. Best-fit reduces fragmentation but requires more time to search for the smallest available block. Worst-fit is the least efficient and can lead to significant fragmentation but provides the largest block of memory for larger requests.

In conclusion, the best allocation algorithm depends on the specific requirements of the application and the system configuration. For systems with more available memory, Best-fit or Worst-fit may be more appropriate, while First-fit may be preferred for systems with limited memory.

(Source: Tanenbaum & Bos, 2015)

References:

Microsoft. (n.d.). Change the size of virtual memory. Retrieved from https://support.microsoft.com/en-us/windows/change-the-size-of-virtual-memory-20de8688-7872-b1a3-a6a1-20025c290700

Tanenbaum, A. S., & Bos, H. (2015). Modern Operating Systems (4th Edition). Pearson.

Suggested Resources/Books:
1. “Operating System Concepts” by Abraham Silberschatz, Greg Gagne, and Peter B. Galvin
2. “Windows Internals, Part 1: System architecture, processes, threads, memory management, and more” by Mark Russinovich and David A. Solomon
3. “Memory Management: Algorithms and Implementation in C/C++” by Bill Blunden

Similar asked questions:
1. What is virtual memory and how does it work?
2. How can I optimize my computer’s virtual memory settings?
3. What are the pros and cons of changing the size of virtual memory?
4. How do dynamic storage allocation algorithms work?
5. What are some common issues with virtual memory and how can they be resolved?

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