<span>It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again.Troubleshooting is needed to identify the symptoms. ...Troubleshooting is the process of isolating the specific cause or causes of the symptom.</span>
Answer:
it changes the level of music, such as bass level or sweter level
I'd question the wording, However:
Monitor, Output device.
Keyboard, Input device.
Mouse, Input device.
Speakers Output Device.
Microphone, Input device.
Printer, Output device.
Scanner, input device.
Devices do not have to explicitly be one or the other e.g. a printer with a scanner, or headphones with a microphone.
