plug-and-play meaning

adjective
(of a computer component) having an identifier that allows it to be configured automatically (also noun)
[Computer]
<jargon> 1. Hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.

See also turnkey, plug and pray.

2. A new recruit who needs no training. "The new guy, John, is great. He's totally plug-and-play."