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→Decimal / Binary / Octal / Hexadecimal Numbering Systems
The fact that '''humans''' started counting on their fingers and thumbs most likely lead to the development of this numbering system.
Referring to the diagram to on the right, the value of each decimal digit consists of the '''value ''' (''placeholder'') multiplied by the corresponding power of 10. For example, '''units''' are '''10<sup>0</sup>''', '''tens''' are '''10<sup>1</sup>''', '''hundred''' are '''10<sup>2</sup>''' which move in a '''right-to-left''' direction.
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[[Image:binary-number-3.png|thumb|right|200px|The '''binary''' numbering system.<br>(Image licensed under [https://creativecommons.org/licenses/by-sa/3.0/ cc])]]
''Binary Numbers''
The '''binary''' numbering system consists of digits consisting of containing the numbers '''0''' or '''1'''. Digital computers have circuits which representing data in terms The numbering system is based on '''sums of voltage levels. Multiple circuits are used to represent data (in the form power of 2''binary'' numbers).
Referring to the diagram to on the right, the value of each decimal digit consists of the value (placeholder) multiplied by the corresponding power of 2. For example, '''2<sup>0</sup>''' , '''2<sup>1</sup>''', '''2<sup>2</sup>''', etc. which move in a '''right-to-left''' direction.
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''Octal / Hexadecimal Numbers''
