Which of the following are web search engines?

1.DuckDuckGo

2.Google

3.Yahoo Search

4.Bing

5.Pinterest

A2, 3 & 4 only

B1, 2, 3 & 4 only ✓ Correct

C2 & 5 only

D1, 3, 4 & 5 only

Correct answer: (B) 1, 2, 3 & 4 only

Explanation

The web search engines here are Statement 1 DuckDuckGo, Statement 2 Google, Statement 3 Yahoo Search and Statement 4 Bing, all of which index the web and return ranked results to a query.

DuckDuckGo is a privacy-focused engine that does not track its users' searches.

Google and Bing are the two largest general-purpose engines, each running its own web crawler and index.

Yahoo Search returns web results, today powered largely by Bing's index.

Statement 5 Pinterest is an image-sharing and idea-discovery site, not a general web search engine.

A search engine works through crawling pages, indexing their content and ranking matches for each query.

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