Making short, high-pitched electronic sounds repeatedly.
From the onomatopoetic word 'beep,' which was invented in the 20th century to imitate the sound electronic devices make. It became common with the rise of electronic equipment and computers.
The word 'beep' was literally invented in the 1900s just to describe the sounds that new electronic gadgets made—before that, no one had a word for it because the sound didn't exist in human history until electric machines were invented.
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