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Word (computer architecture)

en.wikipedia.org/wiki/Word_(computer_architecture)

Modern processors, including embedded systems, usually have a word size of 8, 16, 24, 32, or 64 bits, while modern general purpose computers usually use 32 ...

Which group of Intel processors use a 32-bit word size and a 64-bit ...

www.answers.com/Q/Which_group_of_Intel_processors_use_a_32-bit_word_size_and_a_64-bit_word_size

Intel Pentium processors have a 32-bit word, whereas Core 2 and later processors have a 64-bit word. Prior to the Core 2, Intel manufactured some high- end ...

How many bits does a WORD contain in 32/64 bit OS respectively ...

stackoverflow.com/questions/5295903/how-many-bits-does-a-word-contain-in-32-64-bit-os-respectively

In common usage, the word size refers to the size of a processor register. On a 32 bit processor, this will be 32 bits. On a 64 bit processor, this ...

32-Bit or 64-Bit and Why You Should Care - ERwin

erwin.com/resources/erwin-expert-blogs/32-bit-or-64-bit-and-why-you-should-care

Dec 1, 2015 ... The processor word size predetermines the maximum word size for the operating system and application programs that can be used.

What 64-Bit Technology Means For CAM Systems : Modern Machine ...

www.mmsonline.com/articles/what-64-bit-technology-means-for-cam-systems

A 64-bit platform lets users run 64-bit applications and 32-bit applications at the same time. ... Addressable memory increases dramatically when basic word size (8-bit, ... In computing, the term word means a group of bits that a system handles ... to replace or extend the 32‑bit standard (named x86, for Intel processor models  .....

Which cmd is the best for determining the OS' word size (32/64)

unix.stackexchange.com/questions/89107/which-cmd-is-the-best-for-determining-the-os-word-size-32-64-bit

Sep 2, 2013 ... 32-bit, 64-bit CPU op-mode on Linux 4 answers ... I would recommend instead using getconf LONG_BIT . ... It tells you about CPU types, not OS word sizes, and even then can be ... Under OS X on Intel, for example, it tells you i386 , even on a 64-bit .... UNIX is a registered trademark of The Open Group.

64-bit computing Definition from PC Magazine Encyclopedia

www.pcmag.com/encyclopedia/term/37167/64-bit-computing

CPUs that process 64 bits as a single unit, compared to 8, 16 or 32. ... however, they are not twice as fast as 32-bit computers, because the 64 bit "word size" ... 64-bit operating systems is that they support more memory than a 32-bit OS, which is ... For examples of 64-bit hardware, see Intel 64, AMD64, Opteron and Athlon.

Understanding Intel Instruction Sizes - Swanson Technologies

www.swansontec.com/sintel.html

Describes the sizes of various Intel-Architecture processor instrucions. ... Operand-size override (16 bit vs. 32 bit); Group 4: Address-size override (16 bit vs. 32 bit) ... In this opcode, the w bit determines whether the operand is a byte or a word.

Bit permutations

programming.sirrida.de/bit_perm.html

The bit group the processor can most naturally process is called a word. ... ld_bits is the binary logarithm (log2) of bits (the used word size). ..... true for sw1=5 [6] for a word size of 32 [64] bit as needed for usage of PEXT and PDEP! ..... 2013-06) by Intel as "Haswell New Instructions" for x86 processors and are named P...

Introduction to Developing Applications for the 64-bit Itanium-based ...

msdn.microsoft.com/en-us/library/ms952405.aspx

Dynamic Groups in Windows Server 2003 Authorization Manager ... Developing Applications Using Windows Authorization Manager ... operating system able to run on high-end systems, such as the Intel® Itanium® platform, with ..... The data type size_t is mapped to the processor's word size (32-bits for IA32 and 64-bits for ...

More Info

What are the differences between 64 bit processors and 32 bit ...

www.quora.com

The 32 vs 64 bit sizes usually refer to the size of the address and data buses and/ or ... Data bus size is usually equal to the native word size of the processor but this ... goes for 32-bit - Intel CPUs have been capable of addressing at least 64 GB ...

The Intel x86 Family - University of Maine System

aturing.umcs.maine.edu

CPU REG SIZE Data BUS. MEM (Addr Bus). Pentium. 32. 64. 4G (32 bits). Pent. Pro, Pentium ... In 2001 Intel Itanium abandoned the core x86 architecture while AMD continued with ..... This group of four registers is used almost exclusively ..... x86/x87 processors use the following “units of memory”. Byte. 8 bits. Word. 2 bytes.

New Instructions Supporting Large Integer Arithmetic on Intel ...

www.intel.com

Architecture Processors. The adcx and adox ... Large Integer Arithmetic is widely used in multi-precision libraries for .... integers (typically unsigned) that are larger than the native word size of the ... bit words supported by most general purpose processors. In many .... whether the 32-bit or 64-bit version is being used.