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XB
X-Bar (Crossbar)
XBAR
X-Bar (Crossbar)
XBT
Crossbar Tandem
XCOST
Transfer Cost
XFE
X-Bar Front End
XFMC
Cross Functional Management Committee
XGA
Extended Graphics Array
XMS
Extended Multiprocessor System
XNS
Xerox Network Systems
XSV
Transfer Cost System Value
XTC
Extended Test Controller