Technically there are 7 TYPES OF LADIES(funny)

1. HARD DISK lady: Remembers everything
forever.

2. RAM lady: Forgets about you the moment you
turn off.

3. SCREENSAVER lady: Just for looking.

4. INTERNET lady: Difficult to access.

5. SERVER lady: Always busy when needed.. 

6.MULTIMEDIA lady: Looks beautiful but you can only
look.

7. VIRUS lady: This type of lady is normally called
'WIFE', once enters your system, never leaves
even if the system is formatted.