khushboo 
                                                                        from
                                                                        DPS, New Delhi
                                                                    
                                                                        
                                                                    
                                                                    
                                                                    Which one is output device?
(A) Printer
(B) Scanner
(C) Hard-disk
(D) Mouse
                                                                
                                                                
                                                                 
             
             
        