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)
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...
icon
Related questions
Question
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.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 7 images

Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY