One of the most common sounds in the modern world is the beep. From microwaves and cellphones to computers and backing-up trucks, this high-pitched alert pings us from every direction. But how is it ...

The computer first beeped almost 50 years ago. It hasn’t stopped since. And now it’s not alone. Pagers beep. Answering machines beep. ATMs beep. Elevators beep. Phones beep. We have warning beeps, ...

Several users have reported an issue in which MacBook Pros make a few popping, hissing, or beeping sounds before and after playing some audio files. Apple Discussions poster jsosa284 wrote: "When I ...