macam macam erangkat komputer
Selain itu, perangkat keras (hardware) juga dikelompokan berdasarkan fungsinya. Untuk lebih jelasnya perhatikan diagram berikut ini.

Input device :                                   Out device :              Perferal :
1. Keyboard                                       1. Speaker                             1. Network card
2. Mouse                                            2. Monitor                              2. Modem
3. Joystick                                          3. Printer                                3. Midi                              4. Track ball                                                                                                      
5. Light pen
6. Ocr scanner                                  Storage device :                 Komponen Inti CPU:
7. Image scanner                             1. Disket                                 1. Prosesor
8. Bar code reader                           2. Hard disk                           2. RAM
9. Digitizer                                         3. CD-room                            3. ROM
10. Voice recognition                      4. Opticaly disk
11. Touch screen                             5. PCMCIA card
12. Video player                               6. USB flash disk
13. Kamera                                        7. Cartridge