That depends on the sort of microphone you have. A condenser microphone gives 20 dB more output level than a dynamic microphone.
No.
NO
If they are for hearing then its output device as they are not putting anything in to the computer, if they have a microphone attached as well then they are input/output (i.e. microphone is input, speakers are output)
Input, because a microphone can capable of detecting sound.
Input, because a microphone can capable of detecting sound.
No, it's an input, you talk into the microphone, and that sends a signal into the computer, ergo it's an input.
Microphones do not output anything, they are INPUT devices.
A microphone has a voltage output and an acoustical input. Only the sound wave can move the diaphragm of the microphone and a voltage signal comes out. That goes to to an amplifier and to a loudspeaker.
A microphone is a source that sends an output to its male plug. A loudspeaker is a load and receives an input at its female plug.
C. Microphone
A microphone is a device with an electrical output. An acoustic wave is the input. Its only function is to 'capture' sounds and convert them into an electrical signal for processing by the computer.