"The speaker is discussing the components of a Cathode Ray Tube (CRT) and how they work together to display an image on a screen. The CRT consists of several parts:1. Electron gun: This is where the electrons are generated and accelerated towards the screen.2. Focusing system: This part of the CRT helps to focus the electrons onto the screen.3. Deflection system: This system is responsible for directing the electron beam horizontally and vertically on the screen.4. Phosphor-coated screen: The screen is coated with a phosphor material that emits light when hit by the electron beam.5. Vertical deflection: This part of the deflection system helps to provide vertical deflection to the electron beam, allowing it to hit the center of the screen.6. Horizontal deflection: This part of the deflection system helps to provide horizontal deflection to the electron beam, allowing it to move left or right on the screen.7. Focus for coated screen: This is the point where the electron beam hits the screen and produces light.The speaker also explains that there are two types of display technologies used in CRTs: vector scan display and raster scan display. The next video will explain these display technologies in more detail."