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  2. HLT (x86 instruction) - Wikipedia

    en.wikipedia.org/wiki/HLT_(x86_instruction)

    In the x86 computer architecture, HLT (halt) is an assembly language instruction which halts the central processing unit (CPU) until the next external interrupt is fired. [1] Interrupts are signals sent by hardware devices to the CPU alerting it that an event occurred to which it should react.

  3. Windows 7 - Wikipedia

    en.wikipedia.org/wiki/Windows_7

    Windows 7 is the successor to Windows Vista, and its version name is Windows NT 6.1, compared to Vista's NT 6.0; its naming caused some confusion when it was announced in 2008. [19] Windows president Steven Sinofsky commented that Windows 95 was the fourth version of Windows, but Windows 7 counts up from Windows NT 4.0 as it is a descendant of ...

  4. Halt and Catch Fire (computing) - Wikipedia

    en.wikipedia.org/wiki/Halt_and_Catch_Fire...

    The Motorola 6800 microprocessor was the first for which an undocumented assembly mnemonic HCF became widely known. The operation codes (opcodes—the portions of the machine language instructions that specify an operation to be performed) hexadecimal 9D and DD were reported and given the unofficial mnemonic HCF in a December 1977 article by Gerry Wheeler in BYTE magazine on undocumented ...

  5. x86 instruction listings - Wikipedia

    en.wikipedia.org/wiki/X86_instruction_listings

    Will change OperandSize from 16-bit to 32-bit if CS.D=0, or from 32-bit to 16-bit if CS.D=1. 67h: AddressSize override. Will change AddressSize from 16-bit to 32-bit if CS.D=0, or from 32-bit to 16-bit if CS.D=1. The 80386 also introduced the two new segment registers FS and GS as well as the x86 control, debug and test registers.

  6. HLT - Wikipedia

    en.wikipedia.org/wiki/HLT

    Download QR code; Print/export ... HLT (x86 instruction) Human language technology ... (ISO 639-3: hlt) Hurricane Liaison Team of the United States National Hurricane ...

  7. x86-64 - Wikipedia

    en.wikipedia.org/wiki/X86-64

    Its absence also prevents 64-bit Windows prior to Windows 8.1 from having a user-mode address space larger than 8 TiB. [58] The 64-bit version of Windows 8.1 requires the instruction. [59] Early AMD64 and Intel 64 CPUs lacked LAHF and SAHF instructions in 64-bit mode.

  8. Windows 7 editions - Wikipedia

    en.wikipedia.org/wiki/Windows_7_editions

    Windows 7 Starter is the edition of Windows 7 that contains the fewest features. It was only available in a 32-bit version and does not include the Windows Aero theme. The desktop wallpaper and visual styles (Windows 7 Basic) are not user-changeable.

  9. Windows on Windows - Wikipedia

    en.wikipedia.org/wiki/Windows_on_Windows

    Many 16-bit Windows legacy programs can run without changes on newer 32-bit editions of Windows. The reason designers made this possible was to allow software developers time to remedy their software during the industry transition from Windows 3.1 to Windows 95 and later, without restricting the ability for the operating system to be upgraded to a current version before all programs used by a ...