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TOPIC 1—COMPUTER NUMBER SYSTEMS | Up
Fire Controlman Volume 03-Digital Data Systems | Next
TOPIC 2—COMPUTER LOGIC |
Figure 4-1.—Illustration equivalencies between binary, octal, hexadecimal, and decimal numbers.
the octal and hexadecimal number systems. Figure 4-1
representation of a number, either 0 or 1. For that
illustrates the equivalences between binary, octal,
reason, the octal and hexadecimal number systems are
hexadecimal, and decimal numbers.
used for functions and mechanization of the logic
Although the computer works well with binary
circuits. Octal numbers can be represented in groups of
numbers; typically, we humans do not. For one thing it
three bits and hexadecimal numbers can be represented
takes too many bits to represent a number. Remember,
in groups of four bits. These groupings can then be used
in the binary number system, a bit is the smallest
for printouts or displays to represent the computer’s
4-3
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