Alphanumeric Code Verification Flashcards

A package label shows routing code '4G7-X2B'. The computer record reads '4G7-X28'. Which character contains the error?

Answer: The final character 'B' vs '8'

The last character differs: the label shows 'B' while the record shows '8', indicating a letter-digit substitution error.

When verifying alphanumeric sort codes, a clerk finds label '22-JKL-09' and record '22-JKL-09'. What is the correct action?

Answer: Accept it as correct since both codes match exactly

When the label and record are identical in every position, the code is verified as correct and no error is flagged.

Code on envelope: 'B3F-5KM-11'. Code in system: 'B3F-5KN-11'. How many errors are present?

Answer: One

Only one character differs: position 8 shows 'M' on the envelope versus 'N' in the system.

A ZIP+4 barcode decodes to '90210-3847'. The handwritten label reads '90210-3874'. Which segment contains the discrepancy?

Answer: The last four digits

The five-digit ZIP matches, but the add-on digits differ: '3847' vs '3874' is a transposition error in the last four digits.

Which of the following alphanumeric codes contains an obvious character omission compared to the standard 8-character format 'XX-NNNN-X'?

Answer: AB-123-C

'AB-123-C' has only three digits in the numeric segment instead of the required four, making it one character short.

During error detection, a clerk sees code 'P9Q-44R-ZZ' on the item and 'P9O-44R-ZZ' in the database. What type of error is this?

Answer: Substitution error

One character has been replaced by another (Q→O) without changing the code length, which is a substitution error.

A USPS flat tray label displays 'SCF 900-959'. A clerk records it as 'SCF 900-969'. Which digits are incorrect?

Answer: 959 vs 969

The upper bound of the range is misrecorded as '969' instead of '959', a single-digit substitution in the tens place.