Which of the following is not a Search engine?

Google
Bing
Yahoo
Orkut

The correct answer is D. Orkut.

A search engine is a software system that is designed to search for information on the World Wide Web. The most popular search engines are Google, Bing, and Yahoo. Orkut is a social networking service that was created by Google in 2004. It was discontinued in 2014.

Google is the most popular search engine in the world. It was founded in 1998 by Larry Page and Sergey Brin. Google’s mission is to “organize the world’s information and make it universally accessible and useful.”

Bing is a search engine that was developed by Microsoft. It was launched in 2009. Bing’s mission is to “help people accomplish their tasks quickly and easily.”

Yahoo is a search engine that was founded in 1994. It is one of the oldest search engines in the world. Yahoo’s mission is to “connect people to their passions, their communities, and the world’s knowledge.”

Orkut was a social networking service that was created by Google in 2004. It was discontinued in 2014. Orkut’s mission was to “help you meet new and old friends and stay connected with the people in your life.”