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The meaning of the Acronym SIS is...
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Computing
File Extensions
SIS
SIS is
Psion Software Installation file
More Meanings For SIS:
Simple Instruction Set
Psion Software Installation file
Saws Information System
Spectrum Internet Suite
Shimano Index Shifting
Sister
Superconductor Insulator Superconductor
Safety Instrumented System
Science Information Systems
Student Information System
Sean Is Stupid
Stupid Impossible Scenarios
Short-Interval Schedular
Seti Intercept System
Single Image Stereogram
SIS is also in:
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Chat
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ASP
FOMC
PDES
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OA