McNemarâs Test is a matched pair test used to determine whether there is a significant change in nominal data before and after an event. We begin with an example. Example 1: In the BBC program The Doha Debates 100 people were surveyed regarding their opinion about capital punishment. 30 were in favor and 70 against.
Name server A name server is a computer server that hosts a network service for providing responses to queries against a directory service. It maps a human-recognizable identifier to a system-internal, often numeric identification or addressing component.
Name servers are often called DSN servers as well, and this is likely the origin of all of the confusion associated with name servers and the DNS. Every web site has two name servers to which it is pointed, and this process must be done by the webmaster upon purchasing a domain and a hosting account.