2. , A string encoded with H(12,8) SECDED is received as 0x500 Is it in error? Which bits are in error? extract the original message, show your work Bit position 1 2 3 4 5 6 7 8 9 10 11 12 Encoded date bits p1. p2 d1 d5 d6 p4 d2 d3 d4 p8 X d7d8 X p1 X X X X X X X X Parity bit coverate X X X X X X X received Ox500 4 5 6 10 11 12 p4 d2 d3 d6 d7 d8 1 0 0 0 0 0 it position eceived message orrected & RRE p2 p4 p8 1 2 p1 p2 0 1 3 d1 0 7 d4 0 X X X X X 9 d5 0 8 p8 0 hex value 0x500
2. , A string encoded with H(12,8) SECDED is received as 0x500 Is it in error? Which bits are in error? extract the original message, show your work Bit position 1 2 3 4 5 6 7 8 9 10 11 12 Encoded date bits p1. p2 d1 d5 d6 p4 d2 d3 d4 p8 X d7d8 X p1 X X X X X X X X Parity bit coverate X X X X X X X received Ox500 4 5 6 10 11 12 p4 d2 d3 d6 d7 d8 1 0 0 0 0 0 it position eceived message orrected & RRE p2 p4 p8 1 2 p1 p2 0 1 3 d1 0 7 d4 0 X X X X X 9 d5 0 8 p8 0 hex value 0x500
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
Related questions
Question
![2.
, A string encoded with H(12,8) SECDED is received as 0x500 Is it in error? Which bits
are in error? extract the original message, show your work
Bit position
1 2
3 4
5 6 7
8
9 10 11 12
Encoded date bits
p1 p2
d1
p4
d2
d3 d4 p8 d5d6d7d8
X
X
X
X
X
Parity
X X
X
X
X X
bit
coverate
X X
X
X
X
X X X
received Ox500
4
5
6
9 10 11 12
d1 p4
d2 d3
d5 d6 d7 d8
1
0
0
0 0 0
0
value should be
0
1
1
0
bit in error =
bit position
received message
corrected
original message
p1 X
p2
p4
p8
1 2
p1 p2
0 1 0
p1
p2
p4
p8
X
X
7
8
d4 p8
0 0
in error?
hex
value
0x500](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdce06fa1-fa4a-4306-83db-a2218277d8f2%2F18ebfecb-6eea-4956-a7f8-3bab2d151e4d%2Frfk674i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.
, A string encoded with H(12,8) SECDED is received as 0x500 Is it in error? Which bits
are in error? extract the original message, show your work
Bit position
1 2
3 4
5 6 7
8
9 10 11 12
Encoded date bits
p1 p2
d1
p4
d2
d3 d4 p8 d5d6d7d8
X
X
X
X
X
Parity
X X
X
X
X X
bit
coverate
X X
X
X
X
X X X
received Ox500
4
5
6
9 10 11 12
d1 p4
d2 d3
d5 d6 d7 d8
1
0
0
0 0 0
0
value should be
0
1
1
0
bit in error =
bit position
received message
corrected
original message
p1 X
p2
p4
p8
1 2
p1 p2
0 1 0
p1
p2
p4
p8
X
X
7
8
d4 p8
0 0
in error?
hex
value
0x500
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