How to catch the invisible on the oscilloscope screen?

Technology keeps on developing and it also concerns laboratory equipment that achieves new functions and features. There come new processors, analog-to-digital converters and microcontrollers, internal memory. Development of recording devices also goes ahead in two directions — the creation of specialized electronic recorders and the use of the device itself to record the measurement results. Read the present article to get to know about the advantages used to catch the invisible with the oscilloscope.
Issue:  KIPiS 2019 #1