A little computer knowledge is imprtant! Devices.........

Input devices- 1) keyboard
                          2) Mouse
                         3) Scanner
                         4) Light pen
                         5) Camera
                        6) Barcode reader
                        7) Mike
                        8) Joystick

Output devices - 1) Monitor                                                         
                              2) Speaker
                              3) Printer
                              4) Projector

 Storage devices – 1. Pen drive
                                  2. Memory chip

                                   3. Hard disk