Computer voice The computer voice was an audio interface program designed to allow computer s to express information verbally . Many civilizations , such as the United Federation of Planets and the Cardassian Union , equipped their computers with this feature . The computer voice of the was reprogrammed in 2267 on Cygnet XIV , with the intent of giving it a less mechanized personality . The resulting modifications caused the computer to address James T . Kirk in an increasingly amorous manner , as well as giggle . ( ) While most computers had female voices , the M - 5 multitronic unit had a male voice , as did and the . ( ; ) Starfleet environmental suit s were also equipped with a computer voice . ( ; ) Appendices . Background information . The computer voice on most Federation starship and fixed installation computers was portrayed by Majel Barrett - Roddenberry since the early days of the ( first appearing in ) . The computer voice in TOS was very rhythmic and mechanical . In the later series , it became a far more normal - sounding female voice . Majel Barrett - Roddenberry continued to play Starfleet computers on TNG ( with the exception of some early episodes ) , DS9 , VOY , and many " Star Trek " films through . was her final performance both as the computer voice and in a " Star Trek " project before her death . The computer voice on the ISS " Enterprise " ( NCC - 1701 ) in the mirror universe of was provided by John Winston , the actor who portrayed transporter chief Kyle . Doug Hale voiced the upgraded computer alerts in . Marcy Vosburgh provided a computer voice in . In , the computer voice of the turbolift was played by Director Leonard Nimoy , under the pseudonym " Frank Force " . Harve Bennett provided the flight recorder voice in the same movie , during playback of scenes showing Spock ' s death from " The Wrath of Khan " . Judi Durand did a Spacedock computer voice that says , " " Danger . . . space doors are closed " " while the USS " Enterprise " is escaping from the station . Teresa E . Victor was the computer voice for the USS " Enterprise " self - destruct sequence in " The Search for Spock " . The Cardassian computer system , as used on , was voiced by Judi Durand . There is only a single word spoken by a computer voice in the entire run of , which is when Majel Barrett ' s computer voice of the USS " Defiant " twice states " " Working . . . " " in the episode . In , the voice of the was provided by Bill Hader . In , the voice of the was provided by Tasia Valenza . In , the voice of the was provided by Julianne Grossman . In reality , when Google first developed voice technology , they named it " Majel " in honor of Majel Barrett . ( ) Nowadays , Amazon Echo smart speakers can be adjusted to respond to the wake word " computer " ( rather than " Alexa " ) , much as with the computer voice in " Star Trek " , and so - called " skills " based on the franchise can be enabled within such devices . Apocrypha . In many of Activision ' s video game releases , Judi Durand voiced the Federation computer voice . In the " " novel " Captain to Captain " , Captain Una is momentarily distracted by hearing the " Enterprise " s computer voice after many years , which was modeled after her own .