Lesson 4


  • 6670-47 Identify the basic parts of a computer system and the relationships among components.
  • 6670-50 Demonstrate the use of connectivity devices and peripheral equipment (e.g., portable storage devices, printers, cable modem, and wireless technologies).
  • 6670-56 Investigate the building stages of a computer.
  • 6670-57 Describe the importance of system maintenance and preventative measures, including the consequences of not taking preventive measures.
  • 6670-58 Install and configure hardware in a computer system.


Upon completion of this lesson, you should be able to:

  • Maintain hardware.
  • Upgrade and replace hardware components.
  • Perform preventive maintenance.
  • Request specialized maintenance.