Figure 4-1.—Illustration equivalencies between binary, octal, hexadecimal, and decimal numbers.the octal and hexadecimal number systems. Figure 4-1representation of a number, either 0 or 1. For thatillustrates the equivalences between binary, octal,reason, the octal and hexadecimal number systems arehexadecimal, and decimal numbers.used for functions and mechanization of the logicAlthough the computer works well with binarycircuits. Octal numbers can be represented in groups ofnumbers; typically, we humans do not. For one thing itthree bits and hexadecimal numbers can be representedtakes too many bits to represent a number. Remember,in groups of four bits. These groupings can then be usedin the binary number system, a bit is the smallestfor printouts or displays to represent the computer’s4-3

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