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Because they depend on the place value of numbers.

For example, 101 = 1*b2 + 0*b + 1 where b is the base (2 or 10). There are only b different symbols or digits. Numbers that are greater than or equal to the base are displayed using the positional notation.

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Q: Why are binary and decimal called positional numbering system?
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Related questions

In the binary numbering system one binary digit is called a?

bit?


Computers often express numbers in what format?

Base 16 numbering is called 'Hex' or 'Hexadecimal'. Base 8 numbering is called 'Octal'. Base 2 numbering is called 'Binary'.


What is the name for the decimal representation of the binary IP address called?

Dotted Decimal


How many admissible marks are used in the binary numbering system?

The prefix "bi-" means 2. Binary is also called Base 2.If you still haven't figured it out, the answer is two.


What is logic 0 and logic 1?

Logic 0 and logic 1 are the two states in digital (or binary) logic. A binary numbering system has but two numbers: 0 and 1. In contrast, we use a decimal system with 10 numbers: 0 to 9. The area of algebra that addresses binary (2-state) logic is called Boolean. In Boolean a logic 0 may be refered to as 'low', 'off' or 'false'; a logic 1 as 'high', 'on' or 'true'. Boolean logic is the foundation of digital electronics.


Computers represent numeric data using the number system?

Nearly all computer math is based on variants of binary numbering. Printouts of computer memory data will combine the binary numbers into four bit groups called hexadecimal digits.


What is the meaning of decimal?

The decimal numeral system (also called base ten or occasionally denary) has ten as its base. Decimal notation often refers to a base-10 positional notation.


It is also called the positional average?

opertionted


How are real numbers expressed in binary?

The same as real numbers are expressed in decimal, except only the digits 0 and 1 are used (instead of 0 to 9) and the separator between the integer and fraction part is called the binary point (instead of the decimal point). The sign if needed is the same as in decimal.


How decimals are used in everyday life time?

Everybody has 10 fingers. Since That is true our own numbering is based on multiples of 10 which is called a decimal.


Was binary stands for binary digits?

No, binary is a number system.A binary digit is called a bit.


Why is decimal tenths?

The word, "decimal" means "of, or having to do with tenths". If you were working in base 8 instead of decimal, it would be called "octal", which means "of, or having to do with eighths". If you were working in base 16, it would be "hexadecimal" or "sixteenths". If you were working in base two, it would be "binary" or "twos".