mputer has a paged virtual memory of 248 bytes a virtual address has 48 bits. The size is 8KB. There is 64GB of RAM. The allocation of a virtual page to a page frame is rect mapping. Specifically, the lowest X bits of the virtual address are the offset within age, the next Y bits are the page frame number, and the highest (48 – X – Y) bits are ed in the mapping. What is the value of X? What is the value of Y? A process generates the virtual address 0x7E9C3A5F4B6D16 - this is an hexadecimal number. What is the offset in hexadecimal? What is the page frame number in hexadec-

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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A computer has a paged virtual memory of 248 bytes a virtual address has 48 bits. The
page size is 8KB. There is 64GB of RAM. The allocation of a virtual page to a page frame is
by direct mapping. Specifically, the lowest X bits of the virtual address are the offset within
the page, the next Y bits are the page frame number, and the highest (48 - X - Y) bits are
unused in the mapping.
2.1 What is the value of X?
2.2 What is the value of Y?
2.3 A process generates the virtual address 0x7E9C3A5F4B6D16 this is an hexadecimal
number. What is the offset in hexadecimal? What is the page frame number in hexadec-
imal?
Transcribed Image Text:A computer has a paged virtual memory of 248 bytes a virtual address has 48 bits. The page size is 8KB. There is 64GB of RAM. The allocation of a virtual page to a page frame is by direct mapping. Specifically, the lowest X bits of the virtual address are the offset within the page, the next Y bits are the page frame number, and the highest (48 - X - Y) bits are unused in the mapping. 2.1 What is the value of X? 2.2 What is the value of Y? 2.3 A process generates the virtual address 0x7E9C3A5F4B6D16 this is an hexadecimal number. What is the offset in hexadecimal? What is the page frame number in hexadec- imal?
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