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In a demand paging system, page faults do not happen on every memory access because . Select one: O a. All of the others. O b. page tables may correctly have invalid entries O .programs generally exhibit locality in page references. d. systems disable the TLB for page accesses. e. None of the others. O f. page tables keep track of "dirty" pages.

In a demand paging system, page faults do not happen on every memory access because . Select one: O a. All of the others. O b. page tables may correctly have invalid entries O .programs generally exhibit locality in page references. d. systems disable the TLB for page accesses. e. None of the others. O f. page tables keep track of "dirty" pages.

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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In a demand paging system, page faults do not happen on every memory access because ... Select one: a. All of the others. b. page tables may correctly have invalid entries c. programs generally exhibit locality in page references. O d. systems disable the TLB for page accesses. e. None of the others. O f. page tables keep track of "dirty" pages. Page replacement algorithms are necessary because . Select one: a. the sum of all pages needed by all programs that are running is less than the number of frames of RAM. O b. pages may be rarely or never used, so must be removed from RAM. C. a process rarely accesses more pages than have been allocated to it. O d. the sum of all pages needed by all programs that are running is greater than the number of frames of RAM.
Transcribed Image Text:In a demand paging system, page faults do not happen on every memory access because ... Select one: a. All of the others. b. page tables may correctly have invalid entries c. programs generally exhibit locality in page references. O d. systems disable the TLB for page accesses. e. None of the others. O f. page tables keep track of "dirty" pages. Page replacement algorithms are necessary because . Select one: a. the sum of all pages needed by all programs that are running is less than the number of frames of RAM. O b. pages may be rarely or never used, so must be removed from RAM. C. a process rarely accesses more pages than have been allocated to it. O d. the sum of all pages needed by all programs that are running is greater than the number of frames of RAM.
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