The uniform product codes (UPC) used in supermarkets are a type of:
A)block code
B)serial code
C)hierarchical code
D)significant digit code

Question

Quizplus · Accepted Answer

UPCs are a type of block code, where a fixed number of digits are assigned to represent certain information such as manufacturer and product type. This allows for easy identification and tracking of products in a standardized way. Serial codes would be sequential and not standardized for each product, hierarchical codes would be organized in a nested or parent-child relationship, and significant digit codes would only use a specific set of digits to represent certain information.

The Uniform Product Codes (UPC) Used in Supermarkets Are a Type