An output devices is a part of computer hardware equipment , used to communicate the results of data processing which are carried out by the information processing system (such as a computer ) , to the outside world. Output devices carry the result of various operations performed by the User . Output devices make it possible to view or print data . Some of the devices , which are used to display the processed result or output are Monitor , Printer ,Plotter , Speaker , headphone , Projector , speech synthesis which are as follows.
- speech synthesizer