9. Binary Numbers

In previous chapters, we’ve repeatedly stated that a digital signal generated by an analog-to-digital converter is merely sequences of numbers, as shown in Figure 9-1.

Image

Figure 9-1 Digital signal generation.

To be specific, the numbers comprising a digital signal are not the normal decimal numbers that we deal with in our daily lives. The numbers in a digital signal are called binary numbers and this chapter describes the characteristics, utility, and necessity of using binary numbers.

Number Systems

Understanding the nature of binary numbers is easy if we first recall what we learned about decimal numbers in grade school. Let’s ...

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