Identifying hardware components

             There are two method

peripheral devices -devices which are out side the system box
devices in the system box -devices in the casing of the pc


peripheral devices               Devices inside the system box
monitor                                 mother board
keyboard                              cpu
mouse                                   ram
printer                                  expansion cards
scanner                                cd/dvd drive
web cam                               floppy disk drive
                                             power supply
                                             data cables
                                             cooling fans