A barcode scanner for Universal Product Codes (UPCs) verifies the 12-digit code comparing the code's largest digit (called a check digit) to its own computation from the first 11 digits as follows: 1. Calculate the sum of the digits in the odd-numbered positions (the first, third digits) and multiply this sum by 3. 2. Calculate the sum of the digits in the even-numbered position (the second, fo digits) and add this to the previous result. 3. If the last digit of the result from step 2 is 0, then 0 is the check digit. Otherw the last digit from 10 to calculate the check digit.
A barcode scanner for Universal Product Codes (UPCs) verifies the 12-digit code comparing the code's largest digit (called a check digit) to its own computation from the first 11 digits as follows: 1. Calculate the sum of the digits in the odd-numbered positions (the first, third digits) and multiply this sum by 3. 2. Calculate the sum of the digits in the even-numbered position (the second, fo digits) and add this to the previous result. 3. If the last digit of the result from step 2 is 0, then 0 is the check digit. Otherw the last digit from 10 to calculate the check digit.
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
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![A barcode scanner for Universal Product Codes (UPCs) verifies the 12-digit code scanned by
comparing the code's largest digit (called a check digit) to its own computation of the check digit
from the first 11 digits as follows:
1. Calculate the sum of the digits in the odd-numbered positions (the first, third,..... eleventh
digits) and multiply this sum by 3.
2. Calculate the sum of the digits in the even-numbered position (the second, fourth....tenth
digits) and add this to the previous result.
3. If the last digit of the result from step 2 is 0, then 0 is the check digit. Otherwise, subtract
the last digit from 10 to calculate the check digit.
4. If the check digit matches the final digit of the 12-digit UPC, the UPC is assumed correct
By using C++ write a program that prompts the user to enter the 12 digits of a barcode separated by
space.
The program should store the digits in an integer array, calculate the check digit, and compare it
to the final barcode digit. If the digits match, output the barcode with the message "validated".
If not, output the barcode with the message "error in barcode".
Also output with labels the results from step 1 and 2 of the check-digit calculations. Note that the
"first" digit of the barcode will be store in element 0 of the array. Try your program on the
following barcodes, three of which are valid. For the first barcode, the result from step 2 is 79 (0
+9+0+8+4+0) * 3+ (7+4+0+0+5).
079400804501
024000162860
011110856807
051000138101
Noted that you need to include the below function:
void calculateTotal(unsigned int [], unsigned int&, unsigned int& );
SAMPLE RUN:
Enter 12 integers separated by blanks or <return>S:
0 5 1 0 0 0 1 3 8 10 1
The sum of the digits in the odd-numbered positions: 10
The sum of the digits in the even-numbered positions: 9
The sum of the digits in the even-numbered positions and oddnumbered positions: 39
Entered Barcode:
051000138101
Result: Validated Barcode !](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F21d1dee2-6aac-486d-a009-6c68e14e8d34%2Fddf5a388-6335-4386-a7a0-8c5416982fd9%2Fdsy4l8b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A barcode scanner for Universal Product Codes (UPCs) verifies the 12-digit code scanned by
comparing the code's largest digit (called a check digit) to its own computation of the check digit
from the first 11 digits as follows:
1. Calculate the sum of the digits in the odd-numbered positions (the first, third,..... eleventh
digits) and multiply this sum by 3.
2. Calculate the sum of the digits in the even-numbered position (the second, fourth....tenth
digits) and add this to the previous result.
3. If the last digit of the result from step 2 is 0, then 0 is the check digit. Otherwise, subtract
the last digit from 10 to calculate the check digit.
4. If the check digit matches the final digit of the 12-digit UPC, the UPC is assumed correct
By using C++ write a program that prompts the user to enter the 12 digits of a barcode separated by
space.
The program should store the digits in an integer array, calculate the check digit, and compare it
to the final barcode digit. If the digits match, output the barcode with the message "validated".
If not, output the barcode with the message "error in barcode".
Also output with labels the results from step 1 and 2 of the check-digit calculations. Note that the
"first" digit of the barcode will be store in element 0 of the array. Try your program on the
following barcodes, three of which are valid. For the first barcode, the result from step 2 is 79 (0
+9+0+8+4+0) * 3+ (7+4+0+0+5).
079400804501
024000162860
011110856807
051000138101
Noted that you need to include the below function:
void calculateTotal(unsigned int [], unsigned int&, unsigned int& );
SAMPLE RUN:
Enter 12 integers separated by blanks or <return>S:
0 5 1 0 0 0 1 3 8 10 1
The sum of the digits in the odd-numbered positions: 10
The sum of the digits in the even-numbered positions: 9
The sum of the digits in the even-numbered positions and oddnumbered positions: 39
Entered Barcode:
051000138101
Result: Validated Barcode !
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