Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

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Data Types

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Data Types
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.
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Related Topics

• Mathematics

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

Related Documents

ASCII Codes

ASCII codes and characters.

Binary to Decimal, Hexadecimal and ASCII Converter

Convert between binary, decimal and hexadecimal numbers.

Binary, Octal and Hexadecimal Numbers

Decimal, binary, octal and hexadecimal numbers.

Boolean Algebra

Logic functions where the values of variables are true (1) or false (0).

Bytes, Kilobytes and Megabytes

Computer bytes.

HTML Color Codes

Safe html color codes.

Prefixes for Binary Multiplies

IEC International Standard names and symbols

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