Ключевые слова: abstract, analysis, analyzing, background, brain, button, care, chemical, chemistry, computer, concept, control, device, digital, display, electrical, electronic, engineering, equipment, examination, experiment, frequency, health, healthcare, illness, impulse, industry, instrument, lab, laboratory, measure, measurement, medical, medicine, modern, monitor, monitoring, oscilloscope, research, science, scientific, screen, service, signal, technical, technology, test, tool, wave, waveform,