Why we need number systems, Computer Engineering

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Q. Why we need number systems?

Number system is used to signify information in quantitative form. Some of the general number systems are octal, decimal, hexadecimal and binary. A number system of base (also known as radix) r is a system which has r different symbols for r digits. A string of these symbolic digits signifies a number.

To conclude the value that a number signifies we multiply number by its place value which is an integer power of r depending on place it is located and then find sum of weighted digits.


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