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What does AC stand for?

AC stands for Acoustic Coupler

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers

See other definitions of AC

Other Resources:
We have 212 other meanings of AC in our Acronym Attic

Samples in periodicals archive:

Acoustic Coupler Deservedly included on PC World's " Ugliest Products in Tech History " list, the external acoustic-coupler modem (1965) turned luggable computers into network interfaces using ordinary telephones, at a blazing 300bps.
Using multiprotocol support, they communicate by cellular phone (with an acoustic coupler at the customer's office) while on the road, and from direct dial-up at their home.
The MessageSender is a pocket-size portable Qwerty keyboard and acoustic coupler that lets users send text and numeric pages from a phone, without the need for a modem or dedicated line.