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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audio
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keys
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Either A or B
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None of the above
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Detailed explanation-1: -A microphone is an input device; it sends information to the computer. For example, when it is used to record music or sound, the information (a record) is stored on the computer in response to play in the future.
Detailed explanation-2: -Microphones enable many types of audio recording devices for purposes including communications of many kinds, as well as music vocals, speech and sound recording. Microphones can be standalone or embedded in devices such as headsets and telephones.
Detailed explanation-3: -A microphone converts sound waves to audio signals, which are then converted to digital audio data and sent/inputted into a computer. Microphones typically output analog audio signals (AC voltages) that require conversion to digital data to be compatible with a computer.
Detailed explanation-4: -A microphone converts sound/audio signals into electrical signals. Transducer: It can be defined as a device that converts energy from one form to another.
Detailed explanation-5: -Microphone or “mic” level is in the region of 0.001 volts (1 millivolt) to 0.01 volts (10 millivolts). This voltage range may also be expressed as-60 dBV to-40 dBV. This is the signal level that comes out of a typical microphone when someone speaks into it at a close distance.