__________ is a fast, accurate, inexpensive, high-capacity, nonvolatile extension of main memory.

Operating systems that have windows and icons have what type of user interface?

a. command-driven b. graphical user c. menu-driven d. magnetic tape–based

The putback member function returns to the input stream the previous character obtained by:

a. A get from the input stream. b. Using the stream extraction operator on the input stream. c. Reading input from the keyboard. d. Reading a file from disk.