Oscilloscope

[Sarah]

An instrument for showing visually the changes in a varyingcurrent; an oscillograph.

[Sarah]

A test instrument that shows a picture of electrical waveforms by means of a cathode ray tube. An oscilloscope is calibrated so one can measure the instantaneous values and waveforms of electrical signals that are changing rapidly or varying as a function of voltage or time. Also known as a Scope.

[Sarah]

Picture of the chuckle brothers added to any sort of image, animation or any other form of media

[Oralee]

a device that represents a changing amount on a screen in the form of a line that moves up and down in curves