What is an oscilloscope? | Tektronix
https://www.tek.com/en/blog/what-is-an-oscilloscope
WEBAn oscilloscope, formerly known as an oscillograph (informally scope, oscope, or o-scope), is an instrument that graphically displays electrical signals and shows how those signals change over time. It measures these signals by connecting with a sensor, which is a device that creates an electrical signal in response to physical stimuli like ...
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