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The number system refers to a way of representing and working with numbers. The most common number systems are:

Decimal (Base 10) Number System: This is the number system most widely used in the world. It uses the digits 09 to represent all numbers.

Binary (Base 2) Number System: This system uses only two digits, 0 and 1, to represent numbers. It is the fundamental number system used in digital electronics and computer systems.

Hexadecimal (Base 16) Number System: This system uses 16 digits, 09 and AF, to represent numbers. It is commonly used in computer programming and digital electronics to represent large binary values in a more compact form.

Octal (Base 8) Number System: This system uses the digits 07 to represent numbers. It was more commonly used in older computer systems but is now less widely used.
Each number system has its own set of rules for performing arithmetic operations like addition, subtraction, multiplication, and division. The choice of number system depends on the specific application and the needs of the user or system.
For example, binary is essential for digital electronics and computer systems, while decimal is more intuitive for human use. Hexadecimal is useful for working with large binary values in a more compact form. Understanding number systems is crucial in many areas of computer science, engineering, and mathematics.
