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  2. Byte addressing - Wikipedia

    en.wikipedia.org/wiki/Byte_addressing

    Their 32-bit linear addresses can address 4 billion different items. Using word addressing, a 32-bit processor could address 4 Gigawords; or 16 Gigabytes using the modern 8-bit byte. If the 386 and its successors had used word addressing, scientists, engineers, and gamers could all have run programs that were 4x larger on 32-bit machines.

  3. x32 ABI - Wikipedia

    en.wikipedia.org/wiki/X32_ABI

    A presentation at the Linux Plumbers Conference on September 7, 2011, covered the x32 ABI. [2] The x32 ABI was merged into the Linux kernel for the 3.4 release with support being added to the GNU C Library in version 2.16. [14] In December 2018 there was discussion as to whether to deprecate the x32 ABI, which has not happened as of April 2023 ...

  4. Word addressing - Wikipedia

    en.wikipedia.org/wiki/Word_addressing

    For example, the Cray X1 uses 64-bit words, but addresses are only 32 bits; when an address is stored in memory, it is stored in its own word, and so the byte offset can be placed in the upper 32 bits of the word. The inefficiency of using wide addresses on that system is just all the extra logic to manipulate this offset and extract and insert ...

  5. Power Management Bus - Wikipedia

    en.wikipedia.org/wiki/Power_Management_Bus

    In PMBus, blocks may include up to 255 bytes (vs. the 32-byte limit of SMbus). As in SMBus 2.0, only seven-bit addressing is used. Some commands use the SMBus 2.0 block process calls. Either the SMBALERT# mechanism or the SMBus 2.0 host notify protocol may be used to notify the host about faults.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. x86 instruction listings - Wikipedia

    en.wikipedia.org/wiki/X86_instruction_listings

    These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts. The updated instruction set is grouped according to architecture ( i186 , i286 , i386 , i486 , i586 / i686 ) and is referred to as (32-bit) x86 and (64-bit) x86-64 (also ...

  8. IA-32 - Wikipedia

    en.wikipedia.org/wiki/IA-32

    The IA-32 architecture defines a 48-bit segmented address format, with a 16-bit segment number and a 32-bit offset within the segment. Segmented addresses are mapped to 32-bit linear addresses. Demand paging 32-bit linear addresses are virtual addresses rather than physical addresses; they are translated to physical addresses through a page table.

  9. 32-bit computing - Wikipedia

    en.wikipedia.org/wiki/32-bit_computing

    A 32-bit register can store 2 32 different values. The range of integer values that can be stored in 32 bits depends on the integer representation used. With the two most common representations, the range is 0 through 4,294,967,295 (2 32 − 1) for representation as an binary number, and −2,147,483,648 (−2 31) through 2,147,483,647 (2 31 − 1) for representation as two's complement.