ADB(redirected from Adjusted debit balance)
Also found in: Financial, Acronyms.
ADB(Apple Desktop Bus) A low-speed serial interface for connecting keyboards, mice and other input devices to Apple IIgs and Macintosh computers. Starting with the iMac in 1998, the ADB was superseded by USB.
|Apple Desktop Bus Connector|
|ADB plugs and sockets looked a lot like PS/2 connectors but used a different pin configuration.|