A wake up alarm or digital beeps repeatedly going off.
An emergency or restricted access alarm.
A sequence of six different buzzer sounds evenly spaced.
A cyborg alarm or robotic warning alarm.
Sound design alert: accelerating high-pitched electronic tones.
Various modulated alert related phrases as if spoken by a robot.
A single bleep from a future space alarm.
A loop of a high-pitched, computerized alarming sound.
A computerized or digital computation sound.