Chapter 20

Number Systems

Objectives

Upon completion of this chapter, you will be able to answer the following questions:

  • How do you calculate numbers between decimal and binary systems?

  • How do you calculate numbers between decimal and hexadecimal systems?

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

binary

hexadecimal

Introduction (20.0)

Webster here again! Bob is good at this networking stuff. When he was learning networking, he had to understand number systems, and so do you! You already use the base 10 decimal system, which uses integers 0 through 9. Do you know other number systems, too? I’ve seen base 12, base 60, and others. Do you know about the binary system computers use? ...

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