Remember, the motherboard is your PC's main circuit board. It has a bus that carries data. The bus width is measured in bits. The CPU is the "brain" of your PC. Other chips include RAM, BIOS, and CMOS. Cache helps the CPU get data from RAM quicker.
The motherboard has expansion slots which you can add expansion cards. Ports connect the motherboard to the outside world. Finally, the system clock keeps the beat.
Whew! That concludes our brief tour of the motherboard. Please put your seats in an upright position, as we come in for a landing!
Now, it's time to take a quiz.