Computers used to be a lot noisier than they are today. And I don’t just mean the whir of spinning hard disks and the rattle of fans—they used to boop and beep every time you turned them on. If you ...

Mac only: The signature Mac boot up sound can't even be silenced by plugged-in headphones, but the Startup Sound preference pane does the job. If you don't want to draw attention to yourself in class, ...