A buzzer or beeper is an audio signalling device, which may be mechanical, electromechanical, or piezoelectric. Typical uses of buzzers and beepers include alarm devices, timers and confirmation of user input such as a mouse click or keystroke. Еще
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Market Research Report Store is one of the most fast-growing and professional online platforms for industry reports, market reports, and professional surveys. Our collection covers more than 100 global markets. We have cooperated with leading publishers and consultant companies Еще