Final answer:
An RTV does enable an end-user by allowing remote control of a device. Infrared technology required a direct line of sight, which Bluetooth technology overcame, allowing for more flexible use. Television technology evolved from CRT to modern flat screens.
Step-by-step explanation:
A remote video terminal (RTV) indeed enables an end-user, typically by providing a means to control a device from a distance. In most common cases, this term could be associated with devices like TV remotes, which allow users to change channels, adjust settings, etc., without physically touching the television. Early remote controls used infrared beams to transmit signals, requiring a direct line of sight between the remote and the TV. Any obstruction would cause the remote to fail in its function. Newer technologies, such as Bluetooth, have made this less of an issue, as they don't require a direct line of sight.
Additionally, the television technology has evolved from using Cathode Ray Tubes (CRT), which operated by directing a beam of electrons onto a treated picture tube, to modern flat screens that offer superior picture quality and take up less space.
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