A v [Choose ] SEGMENTATION VIOLATION (SEGO) VALID in SEGO: 0x000010c6 B VALID in SEGO: Ox00001152 SEGMENTATION VIOLATION (SEG1) VALID in SEG1: Ox000010c6 (decimal: 4294) VALID in SEG1: 0x00003141 VALID in SEGO: 0x00003141 (decimal: 12609) VALID in SEG1: 0x00001152 (decimal: 4434) TChoose ] E [ Choose ]

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Specification
o address space size 1k (10 bits, 1 high bit for segment number, 9 low bits for offset)
o phys mem size 16k (14 bits)
Segment register information:
Segment O base (grows positive) : Ox000030e1 (decimal 12513)
Segment 0 limit
: 290
Segment 1 base (grows negative) : Ox0000122b (decimal 4651)
Segment 1 limit
:472
Virtual Address Translation (to physical address)
• VA 0: Ox000001fb (decimal: 507) --> A
o Ox000001fb = Ob 01 1111 1011 --> high bit = 0 (seg 0)
• VA 1: Ox000001cc (decimal: 460) --> B
• VA 2: Ox0000029b (decimal: 667) --> C
o Ox0000029b = Ob 10 1001 1011 --> high bit = 1 (seg 1)
o Decimal physical address = 4651 + 667 - 210 = 4651 - 357 =
• VA 3: 0x00000327 (decimal: 807) --> D
o Ox00000327 = Ob 11 0010 0111 --> high bit = 1
o Decimal physical address = 4651 + 807 - 210 = 4651 - 217 =
VA 4: Ox00000060 (decimal: 96) --> E
v [ Choose ]
SEGMENTATION VIOLATION (SEGO)
VALID in SEGO: Ox000010c6
VALID in SEGO: Ox00001152
B
SEGMENTATION VIOLATION (SEG1)
VALID in SEG1: Ox000010c6 (decimal: 4294)
VALID in SEG1: 0x00003141
VALID in SEGO: Ox00003141 (decimal: 12609)
VALID in SEG1: Ox00001152 (decimal: 4434)
D
[Choose ]
[ Choose ]
Transcribed Image Text:Specification o address space size 1k (10 bits, 1 high bit for segment number, 9 low bits for offset) o phys mem size 16k (14 bits) Segment register information: Segment O base (grows positive) : Ox000030e1 (decimal 12513) Segment 0 limit : 290 Segment 1 base (grows negative) : Ox0000122b (decimal 4651) Segment 1 limit :472 Virtual Address Translation (to physical address) • VA 0: Ox000001fb (decimal: 507) --> A o Ox000001fb = Ob 01 1111 1011 --> high bit = 0 (seg 0) • VA 1: Ox000001cc (decimal: 460) --> B • VA 2: Ox0000029b (decimal: 667) --> C o Ox0000029b = Ob 10 1001 1011 --> high bit = 1 (seg 1) o Decimal physical address = 4651 + 667 - 210 = 4651 - 357 = • VA 3: 0x00000327 (decimal: 807) --> D o Ox00000327 = Ob 11 0010 0111 --> high bit = 1 o Decimal physical address = 4651 + 807 - 210 = 4651 - 217 = VA 4: Ox00000060 (decimal: 96) --> E v [ Choose ] SEGMENTATION VIOLATION (SEGO) VALID in SEGO: Ox000010c6 VALID in SEGO: Ox00001152 B SEGMENTATION VIOLATION (SEG1) VALID in SEG1: Ox000010c6 (decimal: 4294) VALID in SEG1: 0x00003141 VALID in SEGO: Ox00003141 (decimal: 12609) VALID in SEG1: Ox00001152 (decimal: 4434) D [Choose ] [ Choose ]
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