FOCUS
ON MATH
Numbers and Signs
Number Systems
The system of numbers used by most people
is the decimal system.
This system is a base-ten system; that
is, ten symbols (0, 1, 2, 3, 4, 5, 6,
7, 8, and 9) are used in this system.
These ten symbols are called digits.
Do you know about
other computer-based systems that are also
in use?
They are Binary,
Octal, and Hexadecimal
systems as shown in Table 3.2.
Table 3.2 Computer
Number Systems
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