The word that is different from the rest is B: Television. Here is the detailed explanation:
Radio:
- Radio is a device that uses electromagnetic waves to transmit and receive sound signals.
- It has been used for decades and is primarily used for broadcasting audio content.
Transistor:
- A transistor is a semiconductor device that amplifies or switches electronic signals and electrical power.
- It is a fundamental building block of modern electronic devices such as computers and telecommunication systems.
Stereo:
- Stereo refers to a sound system that reproduces sound through two or more independent audio channels.
- It provides a more immersive audio experience by creating a sense of direction and space in the sound.
Television:
- Television is a device that receives broadcast signals and displays visual content on a screen.
- It combines audio and video signals to provide a complete audiovisual experience.
Explanation:
The word "Television" is different from the rest because it is the only option that involves displaying visual content on a screen. The other options - "Radio," "Transistor," and "Stereo" - are primarily related to audio devices or systems. While televisions also have an audio component, they are primarily known for their ability to display visual content. Therefore, "Television" is the odd one out in this set of words.