As with XSLT, many calculations and operations in XQuery can be performed using _____, in which the XQuery function calls itself repeatedly until a stopping condition is met.

A global positioning system (GPS) device uses a(n) _____ to help people find their way around town or more remote areas.

A. user software B. integrated development environment C. personal productivity software D. embedded system

On all computers, the taskbar is set to disappear when it is not in use.

Answer the following statement true (T) or false (F)