Edit Devices, Continued
Math co-
The math co-processor assists the CPU chip in performing mathematical
processor
functions. In most computers, this is a feature that is automatically built into
the motherboard circuitry.
Expansion slots
On the motherboard, there are extra connections for enlarging the capabilities
of the computer. Features such as extra memory chips, called single inline
memory modules (SIMMS), a video graphic array (VGA), and network
interface cards (NICs), plug into these expansion ports to expand computer
versatility. When you upgrade software or make additional software
purchases, you may have to enlarge the memory capacity of the computer.
Clock
On the motherboard inside each computer, there is a clock. The clock
coordinates and paces the functions of the computer.
Figure 3-6 shows the motherboard and the basic circuitry found on it.
Figure 3-6. —The motherboard.
Continued on next page
3-14
