For the following problems assume 1 kilobyte (KB) 1024 kilobytes. 1024 bytes and 1 megabyte (MB) For this problem, assume you have address translation hardware with the following 1. properties: Virtual addresses, physical addresses, and page table entries are 32 bits wide The page size in the system is 4 KB A virtual address is a page number followed by a byte offset within the page (a) How many bits of the virtual address must be used for the offset, so that every byte in the page can have a unique address? (b) How many bits are left over in the virtual address to store the page number? (c) How many different page numbers does an address space in this system support? (You can express this as a power of two) (d) If a page table consists of a page table entry for each page number in an address space, how much space in MB would the page table take up if it were stored in physical memory?
For the following problems assume 1 kilobyte (KB) 1024 kilobytes. 1024 bytes and 1 megabyte (MB) For this problem, assume you have address translation hardware with the following 1. properties: Virtual addresses, physical addresses, and page table entries are 32 bits wide The page size in the system is 4 KB A virtual address is a page number followed by a byte offset within the page (a) How many bits of the virtual address must be used for the offset, so that every byte in the page can have a unique address? (b) How many bits are left over in the virtual address to store the page number? (c) How many different page numbers does an address space in this system support? (You can express this as a power of two) (d) If a page table consists of a page table entry for each page number in an address space, how much space in MB would the page table take up if it were stored in physical memory?
Chapter11: Operating Systems
Section: Chapter Questions
Problem 26VE
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