Most computer users are familiar with terms such as chips, hard drives, RAM, but what is a chip and what does it actually do? What does a hard drive look like and how does it work? Although the details of what lies under a computer case changes rapidly, the underlying design remains relatively stable. Aided by illustrative graphics, this program looks at the functions of the main components of a PC. Also covers a brief history of the development of the PC's main or mother board over the past 15 years.