digital
no. The answer is digital signal.
Fiber optic cable
Any method of electrical or electronic digital communication.
neurons
Punched cards and electrical pulses quickly gave way to vacuum tubes and electronic digital computers.
Yes they do not
pulses
electrical pulses but not continuous
coherent light
Via electrical pulses sent through the earphone plugs. The pulses are then converted into sound by the headphones.
yes i did stuff like that
The brain does not send "electrical pulses" to the heart. Electrical impulses are actually generated within the heart itself (in the SA node), which travel through several intricate pathways from the atria down to the ventricles.