A(n) ________is an extension of a cell reference and provides a way to identify commonly used cell references or ranges

________ is currently the fastest wireless Ethernet standard protocol

Fill in the blank(s) with correct word

The difference between the operator! member function and the operator void* member function is that:

a. They always return opposite boolean values. b. They occasionally return opposite boolean values. c. Of the two member functions, only operator! checks if eof has been set. d. Of the two member functions, only operator void* checks if eof has been set.