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Chapter 3

ADMS 1000 Chapter Notes - Chapter 3: Binary Number, Radix Point

Administrative Studies
Course Code
ADMS 1000
Natalie Guriel

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Chapter 3
18 bits to represent a little more than 5 decimals
Approximately 3.3 bits are required to represent a little more
than 5 decimal digits
ob/c 2^3.3=10
since binary multiplication table is so simple, multiplication can
be implemented in a computer fairly easily.
Shifting a binary number one position to the left has the e%ect of
doubling its value
In general, shifting a number in any base left one digit multiplies
its value by the base, and, conversely, shifting a number right
one digit divides its value by the base
Each hexadecimal number represents exactly 4 binary bits
Decimal speci+cally implies base 10
oTherefore use number point (binary point, hexadecimal
point, etc)
oSometimes called radix point
oBase 3 number point called ternary point
When converting numbers that contain both integers and
fractions, both parts must me converted separately
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