Question

Which modern device was at one time constructed using cathode ray tubes.

Answer 1

Answer is oscilloscope

The cathode ray tube was used to develop the oscilloscope and the television.

Hope this helps

Answer 2

The cathode ray tube was used to develop the oscilloscope and the television.

Step-by-step explanation:

Cathode ray tubes are also known commonly as CRTs. Cathode ray tubes are still widely used in a number of electrical devices, such as computer screens, television sets, radar screens, and oscilloscopes