What does D stand for?

MLA style: "D." Acronym Finder . 2012. AcronymFinder.com 29 May. 2012 http://www.acronymfinder.com/Doubleword-(D).html
Chicago style: Acronym Finder . S.v. "D." Retrieved May 29 2012 from http://www.acronymfinder.com/Doubleword-(D).html
APA style: D. (n.d.) Acronym Finder. (2012). Retrieved May 29 2012 from http://www.acronymfinder.com/Doubleword-(D).html

Doubleword

This definition appears very rarely

Other Resources:

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Display Distance Distance Vision District spare (Stores 100 code) Diversity Division Doctrine Documentary Division Dominion Resources Inc (stock symbol) Dorsal		Doubtful (player's likelihood of participating) Drag Force (aerodynamic equations) Dragon (Yu-Gi-Oh!) Drain (transistor; electronics) Draw (a tie; sports) Drift distance Drive Drive (automatic transmissions) Drum Dublin (car registration identification)

Samples in periodicals archive:

System interface 32-bit SysAD bus Peripheral Circuits/ Interfaces Serial, 64-key keyboard, IrDA (infrared), touch panel, real-time clock, audio interface, 8MB DRAM, 16MB mask ROM, 5- channel DMA controller, ISA bus-subset bus Data Formats Supported Doubleword (64 bits), word (32 bits), halfword (16 bits), byte (8 bits) Memory Management Unit 32-bit physical addressing range of 4 gigabytes.

NEC Electronics announces VR4101 MIPS RISC CPU; powerful processor ...