An() serving a function similar to a physical wallet holds credit card numbers electroru

计算机 已帮助 人

An(),serving a function similar to a physical wallet, holds credit card numbers,electroruc cash, owner identification, and owner contact information and provides that information at an electronic commerce site&39;s checkout counter.

A. electronic wallet B. electronic commerceC. third party payment D. Internet banking

请帮忙给出正确答案和分析,谢谢!

热搜:n维列向量组a1,an-1线性无关,且与非零向量正交