virtual switch
the voltage at which electronic device operates is callled threshold voltageand the voltage at which device show cinduction in forward biased stste
the camshaft
Camshaft
network printer
a video camera
A device which operates(or function) only in one direction is called unidirectional (or unipolar) device
A computer is defined as an electronic device that is designed to accept data.
The telephone does that!
An echo sounder operates by measuring the time taken for a sound wave to travel from the device to an object on the seabed and back again. This time measurement is used to calculate the distance between the echo sounder and the object by utilizing the speed of sound in water.
In electronics any device that just pass along a signal by its characteristics is defined as passive.
84 watts
It is defined as a device, which overcome resistance at a point when some force is applied to it at some other convenient point.