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Occasionally a user might be shown a message that says the virtual memory is running low, this means that either more RAM needs to be added, or the size of the paging file needs to be increased. In a two level virtual memory, ta1 = 10^(-7)sec and %3D ta2 = 10^(-2)sec. What must be the hit ratio H be in order for the access efficiency to be atleast 90 percent of its maximum possible value.

Occasionally a user might be shown a message that says the virtual memory is running low, this means that either more RAM needs to be added, or the size of the paging file needs to be increased. In a two level virtual memory, ta1 = 10^(-7)sec and %3D ta2 = 10^(-2)sec. What must be the hit ratio H be in order for the access efficiency to be atleast 90 percent of its maximum possible value.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Virtual memory is a feature of an operating system that enables a computer to be able to compensate shortages of physical memory by transferring pages of data from random access memory to disk storage. This process is done temporarily and is designed to work as a combination of RAM and space on the hard disk. This means that when RAM runs low, virtual memory can move data from it to a space called a paging file. This process allows for RAM to be freed up so that a computer can complete the task. Occasionally a user might be shown a message that says the virtual memory is running low, this means that either more RAM needs to be added, or the size of the paging file needs to be increased. In a two level virtual memory, ta1 = 10^(-7)sec and ta2 = 10^(-2)sec. What must be the hit ratio H be in order for the access efficiency to be atleast 90 percent of its maximum possible value.
Transcribed Image Text:Virtual memory is a feature of an operating system that enables a computer to be able to compensate shortages of physical memory by transferring pages of data from random access memory to disk storage. This process is done temporarily and is designed to work as a combination of RAM and space on the hard disk. This means that when RAM runs low, virtual memory can move data from it to a space called a paging file. This process allows for RAM to be freed up so that a computer can complete the task. Occasionally a user might be shown a message that says the virtual memory is running low, this means that either more RAM needs to be added, or the size of the paging file needs to be increased. In a two level virtual memory, ta1 = 10^(-7)sec and ta2 = 10^(-2)sec. What must be the hit ratio H be in order for the access efficiency to be atleast 90 percent of its maximum possible value.
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