This type of software testing is very informal and unstructured and can be performed by any stakeholder with no reference to any test case or test design documents. The person performing Ad-hoc testing has a good understanding of the domain and workflows of the application to try to find defects and break the software.
Wolfram Alpha is a computational search engine (sometimes referred to as an answer engine). The interface looks similar to that of a regular search engine but queries typed into the search box result answers to specific questions rather than listings of websites that may be relevant to the query.
Search tools. 1  Google Search is a web search engine, which is Google's core product. 2  Google Alerts â email notification service, which sends alerts based on chosen search terms, whenever there are new results. 3  Google Books (formerly Print) â search engine for the full text of printed books.