International Journal of Computing and Technology (IJCAT)
Graphical passwords are termed to be a secret or secure means that a user inputs to the system by the means of computer's graphics, it may be by mouse, stylus as inputs devices and output devices. The most terms of computer security or in the process of authentication are text based passwords i.e. the typical traditional method is "User name" and "Text based passwords". The conventional methods of authentication or genuineness is to use text based or alphanumeric user names and password, the graphical passwords are the alternatives or the substitutes of the conventional alphanumeric passwords, as comprehensive study and researches have proved that the human tends to remember and recognize images better, it is comparatively easier to remember the geometric figures and colors.