Answer:
Google search operator is also known as advanced operator which extend the various capabilities of the regular type of text searches. It basically contain various types of special characters and the commands.
Google search operator are very useful in the various technical and the content searches. This type of search operator also limits the result in the sites which are indexed with a specific domain and URL (User resource locator). The google search basically allow to use various symbols that are based on the operator.
Amost all professions include theuse of computers. Knowing a lot about them and the way they work could help you use them when needed in a work environment. It would also make an employer more likely to hire you.
Answer:
Speakers.
Explanation: Cause they only output sound, and are devices, further more they are not used to output images, like how could speakers output images using sound? They can't.