Electronic signals are represented in binary as 1's and 0's. A 1 is representative of an electric charge being active and a 0 is representataive of an electric charge being absent.
A bus in a computer is an electronic path between points in a system. A video buss is a path between devices that transmit video signals.
Power vs Signals
It is a bit of hardware inside your computer to translate sounds to electronic signals and back under control of a computer program.
a video card
Voice signals are analog signals, whereas computer signals are digital .
A computer is "an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program"; an electronic phone has these capabilities (modern phones, be them smart or not). This means that by definition, yes, phones are computers.However, landlines do not have computer components. They do use switching and signals in sub-stations, though, to convey the signals. They also use electricity.
sound is made from vibration
A transistor is used to switch electronic signals.
Electricity and Electronic signals.
An Electronic Device
no phase shift
The two basic kinds of electronic signals are analog signals and digital signals. Analog signals are continuous and can take on any value within a given range, while digital signals are discrete and represent information as a series of binary values (0s and 1s).