Solution Found!
This software checks the validity of a Postal Service
Chapter 0, Problem 1CE(choose chapter or problem)
This software checks the validity of a Postal Service money order number. Use it to verify that 39539881642 is valid. Now enter the same number with one digit incorrect. Was the error detected? Enter the number with the 9 in position 2 replaced with a 0. Was the error detected?
Explain why or why not. Enter the number with two digits transposed. Was the error detected? Explain why or why not.
Questions & Answers
QUESTION:
This software checks the validity of a Postal Service money order number. Use it to verify that 39539881642 is valid. Now enter the same number with one digit incorrect. Was the error detected? Enter the number with the 9 in position 2 replaced with a 0. Was the error detected?
Explain why or why not. Enter the number with two digits transposed. Was the error detected? Explain why or why not.
ANSWER:Step 1 of 4
Checking the given postal service money order number 39539881642 using the software, it is clearly seen that the number is valid.
3953988164 mod 9 =2, the machine detects the check digit as 2 and the input check digit is also 2.