The calculation is done with a continuously repetitive weighting of 731 731 ..., as follows: Step 1. Going from left to right, multiply each digit of the pertinent numerical data element by the weighting figure appearing in the corresponding sequential position. Step 2. Add the products of each multiplication. Step 3. Divide the sum by 10 (the modulus). Step 4. The remainder shall be the check digit. To put it simply, the check digit is the reminder of integer division by 10 of the 731-weighted sum. If the specified position is not occupied by number, it is filled with < symbol, which is considered as 0 for the purposes of check digit calculation. Alphabetic characters also can be used for check digit calculation. In this case, the characters A to Z are interpreted as values from 10 to 35 consecutively, as follows: A - 10 B - 11 C - 12 D - 13 E - 14 F - 15 G - 16 H - 17 I - 18 J - 19 K - 20 L - 21 M - 22 N - 23 O - 24 P - 25 Q - 26 R - 27 S - 28 T - 29 U - 30 V - 31 W - 32 X - 33 Y - 34 Z - 35 code is 0213045<
The calculation is done with a continuously repetitive weighting of 731 731 ..., as follows: Step 1. Going from left to right, multiply each digit of the pertinent numerical data element by the weighting figure appearing in the corresponding sequential position. Step 2. Add the products of each multiplication. Step 3. Divide the sum by 10 (the modulus). Step 4. The remainder shall be the check digit. To put it simply, the check digit is the reminder of integer division by 10 of the 731-weighted sum. If the specified position is not occupied by number, it is filled with < symbol, which is considered as 0 for the purposes of check digit calculation. Alphabetic characters also can be used for check digit calculation. In this case, the characters A to Z are interpreted as values from 10 to 35 consecutively, as follows: A - 10 B - 11 C - 12 D - 13 E - 14 F - 15 G - 16 H - 17 I - 18 J - 19 K - 20 L - 21 M - 22 N - 23 O - 24 P - 25 Q - 26 R - 27 S - 28 T - 29 U - 30 V - 31 W - 32 X - 33 Y - 34 Z - 35 code is 0213045<
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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Question
The calculation is done with a continuously repetitive weighting of 731 731 ..., as follows:
Step 1. Going from left to right, multiply each digit of the pertinent numerical data element by the weighting figure
appearing in the corresponding sequential position.
Step 2. Add the products of each multiplication.
Step 3. Divide the sum by 10 (the modulus).
Step 4. The remainder shall be the check digit.
To put it simply, the check digit is the reminder of integer division by 10 of the 731-weighted sum. If the specified position is not occupied by number, it is filled with < symbol, which is considered as 0 for the purposes of check digit calculation. Alphabetic characters also can be used for check digit calculation. In this case, the characters A to Z are interpreted as values from 10 to 35 consecutively, as follows:
A - 10
B - 11
C - 12
D - 13
E - 14
F - 15
G - 16
H - 17
I - 18
J - 19
K - 20
L - 21
M - 22
N - 23
O - 24
P - 25
Q - 26
R - 27
S - 28
T - 29
U - 30
V - 31
W - 32
X - 33
Y - 34
Z - 35
code is 0213045<
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