**The Number Systems**

**Study of digital electronics always starts with the number systems.**

Digital Electronic circuits find their most important applications in computing and so, it is necessary to know what kind of number systems do exist and how to play with them. FOUR number systems (to my knowledge) are used in the world. If you have a scientific calculator, you can see them on it.

Well, these number systems are:

- Decimal number system (base 10)

- Binary number system (base 2)

- Hexadecimal number system (base 16)

- Octal number system (base 8)

Digital Electronic circuits find their most important applications in computing and so, it is necessary to know what kind of number systems do exist and how to play with them. FOUR number systems (to my knowledge) are used in the world. If you have a scientific calculator, you can see them on it.

Well, these number systems are:

- Decimal number system (base 10)

- Binary number system (base 2)

- Hexadecimal number system (base 16)

- Octal number system (base 8)

**Any number system may exist by selecting a base number.**

A base 'N' number system has N number of different symbols.

e.g. decimal number system has 10 number of symbols while binary has 2 symbols.

A base 'N' number system has N number of different symbols.

e.g. decimal number system has 10 number of symbols while binary has 2 symbols.

You can convert any number from any number system to another one.

You can convert any number from any number system to another one.

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