Number Systems

Base/Radix: The number of different digits or combination of digits and letters that a system of counting uses to represent numbers

Base 10(Decimal): Our number system (0-9)

Base 2(Binary): 0 or 1

Base 16(Hexadecimal): Used to represent a set of 4 bits in computer binary (0-9, A, B, C, D, E, F) *Sometimes will have an "h" to indicate hexadecimal

Binary #1101 = D in hexadecimal (13 in Decimal)

Hexadecimal to Binary Converter (First 15 numbers)

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• F= 1 1 1 1

• E= 1 1 1 0

• D= 1 1 0 1

• C= 1 1 0 0

• B= 1 0 1 1

• A= 1 0 1 0

• 9= 1 0 0 1

• 8= 1 0 0 0

• 7= 0 1 1 1

• 6= 0 1 1 0

• 5= 0 1 0 1

• 4= 0 1 0 0

• 3= 0 0 1 1

• 2= 0 0 1 0

• 1= 0 0 0 1

• 0= 0 0 0 0

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https://www.asciitable.com/ (Entire ASCII number system)

ASCII is used to represent letters/characters as numerical values