a small computer that literally fits in your palm. Compared to full-size computers,
palmtops are severely limited, but they are practical for certain functions such as
phone books and calendars. Palmtops that use a pen rather than a keyboard for input
are often called hand-held computers or PDAs. Because of their small size, most
palmtop computers do not include disk drives. However, many contain PCMCIA slots in
which you can insert disk drives, modems, memory, and other devices. Palmtops are
also called PDAs, hand-held computers and pocket computers