Which mobile technology is used to make payments from a smartphone with a device in close proximity to the phone?

A _________ is the basic element of data.

A) ?database B) ?field ? C) ?file ? D) ?record

StreamReader inFile = new StreamReader("name.txt");while ((inValue = inFile.ReadLine()) != null) Using the above segment of code, inValue would be defined as what type of data??

A. ?StreamReader B. ?int C. ?text D. ?string