A must-know for anyone heading into a Quality Manager interview, this question is frequently asked in Quality Manager Interviews. Here is an answering approach - Product quality and process quality complement each other in a successful outcome to satisfy customers and uphold the organizational value.  Product quality is focused on verifying the degree to which the product meets the specifications while process quality is focused on the degree to which the process meets the specifications.  Product quality ensures that the functionality of the product is verified and its usability and value to the user create customer delight; process quality ensures that the process is efficient and results in cost savings, quality, and profitability in creating the product and ensuring product quality.  Product and process quality go hand in hand but product quality tends to be short-lived in nature whereas process quality has long-term perspective and benefits.  Product outcomes may be tangible whereas process outcomes are intangible.  Product quality is validated whereas process quality is verified