Question

which of the following is an example of a specialty search engine?
o a. bing
o b. nextag
o c. google
o d. wolfram alpha

Explanation:

Bing and Google are general - purpose search engines. NexTag is a shopping comparison search engine. Wolfram Alpha is a computational knowledge engine that specializes in answering factual queries by computing answers from externally sourced data, making it a specialty search engine.

Answer:

D. Wolfram Alpha