The capability of a microprocessor etc. to deal with values of a certain size using a single instruction.(noun)
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Use "addressability" in a sentence
"What I call addressability someone else can call versioning, and God knows what a set-top box is these days."
"GM is taking a closer look at so-called addressability in television because it speaks to a very narrow group of consumers, says Betsy Lazar, executive director of advertising and media operations at GM."
"Any well-designed targeting, including ads delivered by some form of "addressability," is a good thing."