(US, UK, idiomatic) imprisoned with little or no chance of escape; locked up. / (US, UK, idiomatic) safely guarded; locked away.

plural of key set identifier

Alternative spelling of phase-shift keying

Alternative spelling of frequency-shift keying

A form of frequency modulation in which digital information is transmitted through discrete changes of the frequency of a carrier wave.

A form of phase modulation in which digital information is transmitted through discrete changes of the phase of a carrier wave.

plural of latch-key child

plural of programmed function key

plural of public key certificate

plural of Key lime pie