COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER OUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Speakers
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Motors
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Buzzers
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Heaters
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Light/Lamp
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Detailed explanation-1: -Electromechanical buzzer – contains a magnet, diaphragm and coil. When a voltage is applied, the diaphragm is pulled towards the magnet. As current flows through the coil a fluctuating magnetic field is produced which causes the diaphragm to vibrate and emit sound.
Detailed explanation-2: -Also known as a sounder, audio alarm or audio indicator, a buzzer is a basic audio device that generates a sound from an incoming electrical signal. Buzzers come in two primary forms-piezo buzzers and magnetic buzzers.
Detailed explanation-3: -A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke.