No, some electronic devices use analog signals as their input/output others may use digital signals as their input/output; some equipment uses an analog signal as the input and outputs a digital signal. Be sure to use the correct signal and signal strength otherwise you may damage your electronic device.
Bluetooth is a digital communication interface. It tends to be used for audio signals more than other applications so it is often perceived as carrying analog audio. Despite the appearance, it is definitely digital and not analog.
it is an DAC (Digital to analogue converter
digital
Digital signals get corrupted by the noise, or overloa of information Overload of information, static in the air, etc
ADC analog digital converter
No, it is an output device. It outputs sound waves.
To generate audio signals from digital signals received from Headphone's output voiceport on computer.
modem Measuring usually the voltage of the analog signal many times a second in binary number code generates a digital signal, and using a binary number code to control the voltage of an output results in a reproduced analog signal. That is what is done for stuff like digital television. A Modem (prior answer) is for when the analog signals are used to connect digital computers (like yours) together, usually over a long distance.
http://wiki.answers.com/Q/What_is_an_analog_and_digital_control_system"
A modem is one of those devices that is both an input and an output device.
A: The device is an IC chip called DAC for figital to analogue converter. they comes with many configuration of bits output.
Digital signals are measured in bits per second (bps).
digital signals have two values. 0 and 1.
A microphone converts voice sound waves into electrical signals, which are then digitized by an analog-to-digital converter (ADC) to produce digital signals. These digital signals can then be processed and transmitted digitally.
Microphone converts Audible Sound into digital signals that's why it will be considered as an INPUT device not an Output device.
Analogue signals are more vulnerable to error than digital signals. See the related question "Why digital signals are more noise free than analogue signals?" for more details.
Digital signals are measured in bits per second (bps).