Answer: Completeness
Step-by-step explanation: Completeness is the property found in the product that lacks no measure,characteristic or quality. This qualitative feature makes any product or thing flawless and perfect.
The memory chips are being sold having historical prices even when there are more advanced products in the market.This characteristic is known as incompleteness or having flaws which makes it a unfinished product. Thus the violation of completeness is descripted in the situation mentioned in the question.