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・ Long range pseudoknots
・ Long Range Reconnaissance Escadrille
・ Long Range Reconnaissance Patrol (Sri Lanka)
・ Long Range Shipbuilding Program
・ Long range shooting
・ Long Range Strike Bomber
・ Long Range Surveillance
・ Long Range Surveillance Company
・ Long Range Surveillance Detachment
・ Long Ranger
・ Long Rapids Formation
・ Long Middle School
・ Long Mile Cave
・ Long Mio
・ Long Misty Days
Long mode
・ Long Moh
・ Long Mott, Texas
・ Long Mountain
・ Long Mountain (Hampshire County, Massachusetts)
・ Long Mountain (Powys)
・ Long Mountain transmitting station
・ Long Museum
・ Long Mynd
・ Long Mỹ
・ Long Mỹ District
・ Long Mỹ, Bà Rịa–Vũng Tàu
・ Long Napir
・ Long Nawi
・ Long Neck, Delaware


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Long mode : ウィキペディア英語版
Long mode

In the x86-64 computer architecture, long mode is the mode where a 64-bit operating system can access 64-bit instructions and registers. 64-bit programs are run in a sub-mode called 64-bit mode, while 32-bit programs and 16-bit protected mode programs are executed in a sub-mode called compatibility mode. Real mode or virtual 8086 mode programs cannot be natively run in long mode.
==Overview==
An x86-64 processor acts identically as an IA-32 processor when running in real mode or protected mode, which are supported sub-modes when the processor is ''not'' in long mode.
A bit in the CPUID extended attributes field informs programs in real or protected modes if the processor can go to long mode, which allows a program to detect an x86-64 processor. This is similar to the CPUID attributes bit that Intel IA-64 processors use to allow programs to detect if they are running under IA-32 emulation.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Long mode」の詳細全文を読む



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