A comma expression is a complex expression made up of two expressions separated by a comma.

Macro conditions are ____________________ expressions that result in a true or false answer.

Fill in the blank(s) with the appropriate word(s).

Outside of a C++ program, a file is identified by its __________while inside a C++ program, a file is identified by a(n) __________.

a. file number, file name b. file name, file number c. name, address d. name, file stream object e. None of these