A system is using segmentation without paging. • The segment table of the currently executing process has the following entries: Size Address 854 1251 1 140 240 810 3 100 145 4 400 2601 15 380 • The process is currently executing in segment 2. • References to segments other than the current segment are logical addresses of the form (s, w). • Self-references are of the form (BR, w), where BR is a base register and w is an offset. The register BR is loaded with the starting address of the current segment 2, and w is added to complete the physical address. Translate each of the following logical addresses into the corresponding physical address. If the address is illegal, enter a value of -1. Logical Address Physical Address (3,0) Blank 1 (4,250) Blank 2 (5,20) Blank 3 (6,10) Blank 4 (BR, 10) Blank 5 (BR,245) Blank 6
A system is using segmentation without paging. • The segment table of the currently executing process has the following entries: Size Address 854 1251 1 140 240 810 3 100 145 4 400 2601 15 380 • The process is currently executing in segment 2. • References to segments other than the current segment are logical addresses of the form (s, w). • Self-references are of the form (BR, w), where BR is a base register and w is an offset. The register BR is loaded with the starting address of the current segment 2, and w is added to complete the physical address. Translate each of the following logical addresses into the corresponding physical address. If the address is illegal, enter a value of -1. Logical Address Physical Address (3,0) Blank 1 (4,250) Blank 2 (5,20) Blank 3 (6,10) Blank 4 (BR, 10) Blank 5 (BR,245) Blank 6
Computer Networking: A Top-Down Approach (7th Edition)
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
Transcribed Image Text:A system is using segmentation without paging.
• The segment table of the currently executing process has the following entries:
Size
Address
854
1251
140
240
810
3
100
145
4
400
2601
15
380
• The process is currently executing in segment 2.
• References to segments other than the current segment are logical addresses of the form (s, w).
• Self-references are of the form (BR, w), where BR is a base register and w is an offset. The register BR is loaded with
the starting address of the current segment 2, and w is added to complete the physical address.
Translate each of the following logical addresses into the corresponding physical address. If the address is illegal, enter a value of -1.
Logical Address
Physical Address
(3,0)
Blank 1
(4,250)
Blank 2
(5,20)
Blank 3
(6,10)
Blank 4
(BR,10)
Blank 5
(BR, 245)
Blank 6
1,
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