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Program No. 0 1 2 3 4 Base 1220 2300 90 Second Page of Progo form 480 3. (24 points=6+2+6+6+1+1+2) operating system uses frames of size 512 bytes. 2000 a. The programs must be split into pages of for: Prog 0 We are using a demand paging model in this question. Our Length 768 1536 384 512 Progl Prog2 Prog 3 Prog 4 b. What is the minimum number of frames that you need in order to have the smallest number o page faults irrespective of the order in which your system will process the interrupts. 256 bytes. Give the number of frames needed c. Now assume that at a certain instant you have five frames and they are loaded with the following pages: Third Page First Page Of Progl Of Prog4 Give the indicated address following logical address: 1500 in Progl in pto form , in f+0 form First Page Of Prog3 First Page Of Prog2 in absolute physical address d. Under the same circumstances as in Part c, give the logical addresses corresponding to the following physical addresses 2000 in fto form p+o form e. What is the lowest invalid logical address in Prog2 f. Is there any external fragmentation? g. Is there any internal fragmentation. If so give an example and state how many bytes?

Program No. 0 1 2 3 4 Base 1220 2300 90 Second Page of Progo form 480 3. (24 points=6+2+6+6+1+1+2) operating system uses frames of size 512 bytes. 2000 a. The programs must be split into pages of for: Prog 0 We are using a demand paging model in this question. Our Length 768 1536 384 512 Progl Prog2 Prog 3 Prog 4 b. What is the minimum number of frames that you need in order to have the smallest number o page faults irrespective of the order in which your system will process the interrupts. 256 bytes. Give the number of frames needed c. Now assume that at a certain instant you have five frames and they are loaded with the following pages: Third Page First Page Of Progl Of Prog4 Give the indicated address following logical address: 1500 in Progl in pto form , in f+0 form First Page Of Prog3 First Page Of Prog2 in absolute physical address d. Under the same circumstances as in Part c, give the logical addresses corresponding to the following physical addresses 2000 in fto form p+o form e. What is the lowest invalid logical address in Prog2 f. Is there any external fragmentation? g. Is there any internal fragmentation. If so give an example and state how many bytes?

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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Program No. 0 1 2 3 4 Base 1220 2300 Second Page of Progo form 90 480 3. (24 points=6+2+6+6+1+1+2) operating system uses frames of size 512 bytes. 2000 Length 768 1536 Third Page First Page Of Progl Of Prog4 Give the indicated address following logical address: 1500 in Progl in p+o form in f+0 form 384 We are using a demand paging model in this question. Our 512 a. The programs must be split into pages of for: Prog 0 Progl Prog2 Prog 3 Prog 4 b. What is the minimum number of frames that you need in order to have the smallest number of page faults irrespective of the order in which your system will process the interrupts. 256 bytes. Give the number of frames needed c. Now assume that at a certain instant you have five frames and they are loaded with the following pages: First Page Of Prog3 First Page Of Prog2 in absolute physical address d. Under the same circumstances as in Part c, give the logical addresses corresponding to the following physical addresses 2000 in fto form p+o form e. What is the lowest invalid logical address in Prog2 f. Is there any external fragmentation? g. Is there any internal fragmentation. If so give an example and state how many bytes?
Transcribed Image Text:Program No. 0 1 2 3 4 Base 1220 2300 Second Page of Progo form 90 480 3. (24 points=6+2+6+6+1+1+2) operating system uses frames of size 512 bytes. 2000 Length 768 1536 Third Page First Page Of Progl Of Prog4 Give the indicated address following logical address: 1500 in Progl in p+o form in f+0 form 384 We are using a demand paging model in this question. Our 512 a. The programs must be split into pages of for: Prog 0 Progl Prog2 Prog 3 Prog 4 b. What is the minimum number of frames that you need in order to have the smallest number of page faults irrespective of the order in which your system will process the interrupts. 256 bytes. Give the number of frames needed c. Now assume that at a certain instant you have five frames and they are loaded with the following pages: First Page Of Prog3 First Page Of Prog2 in absolute physical address d. Under the same circumstances as in Part c, give the logical addresses corresponding to the following physical addresses 2000 in fto form p+o form e. What is the lowest invalid logical address in Prog2 f. Is there any external fragmentation? g. Is there any internal fragmentation. If so give an example and state how many bytes?
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