Chapter 43. Adding Adapters

Features and Types of Adapters

Adapters are printed circuit boards, smaller but not totally dissimilar from that major printed circuit board called the motherboard, that we install to give our systems necessary or desired functions and capabilities.

But more than the circuit board, nature makes an adapter similar to a motherboard. For example, modem, video, and sound adapters often have a special processor (to help the PC’s CPU out with the work related to the adapter’s job), and some have at least a small amount of memory installed. (A good video adapter might have a lot of memory installed—perhaps even faster memory than the motherboard uses.)

These adapters also feature ways to connect peripheral devices (such as microphones ...

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