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The range of integer
Integer

The integers are natural numbers including 0 and their negative and non-negative numberss . They are numbers that can be written without a fractional or decimal component, and fall within the set ....
 values that can be stored in 32 bits is 0 through 4,294,967,295 or -2,147,483,648 through 2,147,483,647 using two's complement
Two's complement

The two's complement of a binary number is defined as the value obtained by subtracting the number from a large power of two .A two's-complement system or two's-complement arithmetic is a system in which negative numbers are represented by the two's complement of the absolute value; this system is the most common Signed number r...
 encoding. Hence, a processor with 32-bit memory address
Memory address

In computer science, a memory address is an identifier for a computer memory location, at which a computer program or a hardware device can store a piece of data and later retrieve it....
es can directly access 4 GB
GB

GB may stand for:...
 of byte-addressable memory.

The external address and data buses are often wider than 32 bits but both of these are stored and manipulated internally in the processor as 32-bit quantities.






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The range of integer
Integer

The integers are natural numbers including 0 and their negative and non-negative numberss . They are numbers that can be written without a fractional or decimal component, and fall within the set ....
 values that can be stored in 32 bits is 0 through 4,294,967,295 or -2,147,483,648 through 2,147,483,647 using two's complement
Two's complement

The two's complement of a binary number is defined as the value obtained by subtracting the number from a large power of two .A two's-complement system or two's-complement arithmetic is a system in which negative numbers are represented by the two's complement of the absolute value; this system is the most common Signed number r...
 encoding. Hence, a processor with 32-bit memory address
Memory address

In computer science, a memory address is an identifier for a computer memory location, at which a computer program or a hardware device can store a piece of data and later retrieve it....
es can directly access 4 GB
GB

GB may stand for:...
 of byte-addressable memory.

The external address and data buses are often wider than 32 bits but both of these are stored and manipulated internally in the processor as 32-bit quantities. For example, the Pentium Pro
Pentium Pro

The Pentium Pro is a sixth-generation x86-based microprocessor developed and manufactured by Intel introduced in November 1995. It introduced the Intel P6 and was originally intended to replace the original Pentium in a full range of applications....
 processor is a 32-bit machine, but the external address bus is 36 bits wide, and the external data bus is 64 bits wide.

Architecture


Prominent 32-bit processors include the IBM System/360, the DEC
Digital Equipment Corporation

Digital Equipment Corporation was a pioneering United States company in the computer industry. It is often referred to within the computing industry as DEC ....
 VAX
VAX

VAX was an instruction set architecture developed by Digital Equipment Corporation in the mid-1970s. A 32-bit complex instruction set computer ISA, it was designed to extend or replace DEC's various Programmed Data Processor ISAs....
, Motorola 68000
Motorola 68000

The Motorola 68000 is a 16/32-bit Complex instruction set computer microprocessor core designed and marketed by Freescale Semiconductor ....
 series and the Intel 80386
Intel 80386

The Intel 80386, otherwise known as the i386 or just 386, is a microprocessor which has been used as the central processing unit of many personal computers and workstations since 1986....
 series. (The Motorola 68000 is externally 16 bits long; however, it has 32-bit
32-bit

The range of integer values that can be stored in 32 bits is 0 through 4,294,967,295 or -2,147,483,648 through 2,147,483,647 using two's complement encoding....
 general purpose registers, arithmetic units, and is forwards-compatible with all 32-bit software.)

Images


In digital images/pictures, 32-bit can refer to 24-bit
24-bit

The IBM System/360, announced in 1964, was an extremely popular computer system with 24-bit addressing and 32-bit general registers and arithmetic. The early 1980s saw the first popular personal computers, including the IBM PC/AT with an Intel 80286 processor using 24-bit addressing and 16-bit general registers and arithmetic, and the Apple Inc....
 truecolor
Truecolor

Truecolor is a method of representing and storing graphical image information in an RGB color space such that a very large number of colors, shades, and hues can be displayed in an image, such as in high quality photographic images or complex graphics....
 images with an 8-bit
8-bit

Eight-bit CPUs normally use an 8-bit data bus and a 16-bit address bus which means that their address space is limited to 64 KBs. This is not a "natural law", however, so there are exceptions....
 alpha channel.

32-bit file format


A 32-bit file format is a binary
Binary file

A binary file is a computer file which may contain any type of data, encoded in Binary numeral system form for computer storage and processing purposes; for example, Document file format containing formatted text....
 file format
File format

A file format is a particular way to encode information for storage in a computer file.Since a disk drive, or indeed any computer storage, can store only bits, the computer must have some way of converting information to 0s and 1s and vice-versa....
 for which each elementary information is defined on 32 bits (or 4 Byte
Byte

A byte is a basic unit of measurement of Computer storage in computer science. In many computer architectures it is a Byte addressing memory address space....
s). An example of such a format is the Enhanced Metafile Format
Windows Metafile

Windows Metafile is a on Microsoft Windows systems, originally designed in the early 1990s. Windows Metafiles are intended to be portable between applications and may contain both vector and bitmap components....
.

See also


  • 16-bit
    16-bit

    16-bit architectureThe HP 2100#Descendants and variants , introduced in 1975, was the world's first 16-bit microprocessor.Prominent 16-bit processors include the PDP-11, Intel 8086, Intel 80286 and the WDC 65C816....
  • 16-bit application
    16-bit application

    A 16 bit application is any software written for MS-DOS, OS/2 1.x or early versions of Microsoft Windows which originally ran on the 16-bit Intel 8088 and Intel 80286 microprocessors....
  • 32-bit application
    32-bit application

    A 32-bit application is software that runs in a 32-bit flat address space .The term 32-bit application came about because DOS and Microsoft Windows were originally written for the Intel 8088 and Intel 80286 microprocessors....
  • 64-bit
    64-bit

    64-bit CPUs have existed in supercomputers since the 1960s and in RISC-based computer workstation and Server s since the early 1990s. In 2003 they were introduced to the mainstream personal computer arena, in the form of the x86-64 and 64-bit PowerPC processor architectures....
  • History of video games (32-bit era)
  • word (computing)


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