Data Types

Signed and unsigned datatypes

Data TypesBitsRange of Values
Unsigned char 8 0 to 255
Signed char 8 -128 to 127
Unsigned short 16 0 to 65535
Signed short 16 -32768 to 32767
Unsigned int 32 0 to 4294967295
Signed int 32 -2147483648 to 2147483647
Float 32 -3.4028 1038 to 3.4028 1038
Double 64 -1.7977 10308 to -1.7977 10308
  • one byte is 8 bits

Example - Unsigned char (byte)

The unsigned char with 8 bits can represent integers from 0 to 255 - check the Binary - to Decimal, Hexadecimal and ASCII Converter

  • The unsigned char (byte) 01100100 represents the decimal number 100.

Example - Signed char (byte)

With the signed char the leading bit indicates the sign of the number. 1 is negative and 0 is positive.

  • The signed char (byte) 01100100 represents the decimal number 100.
  • The signed char (byte) 10011100 represents the decimal number -100.

Example - Unsigned short

  • The unsigned short 00000000 01100100 represents the decimal number 100.

Example - Signed short

  • The signed short 00000000 01100100 represents the decimal number 100.
  • The signed short 11111111 10011100 represents the decimal number -100.

Example - Unsigned int

  • The unsigned int 00000000 00000000 00000000 01100100 represents the decimal number 100.

Example - Signed int

  • The signed int 00000000 00000000 00000000 01100100 represents the decimal number 100.
  • The signed int 11111111 11111111 11111111 10011100 represents the decimal number -100.

Example - Float

  • The Float 01000010 11001000 00000000 00000000 represents the decimal number 100.
  • The Float 11000010 11001000 00000000 00000000 represents the decimal number -100.

Example - Double

  • The Double 01000000 01011001 00000000 00000000 00000000 00000000 00000000 00000000 represents the decimal number 100.
  • The Double 11000000 01011001 00000000 00000000 00000000 00000000 00000000 00000000 represents the decimal number -100.

Related Topics

  • Mathematics - Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more

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