Emmett Till Biography. The brutal 1955 murder of teenager Emmett Till, and the news coverage it drew, helped ignite the civil rights movement in America in the 1950s. Exactly what Emmett Till, a 14-year-old African American boy, said or did to offend Carolyn Bryant, a 21-year-old white woman working in a Mississippi grocery store, is unclear; he may have whistled at her.
There's no major difference. The benefit of the default instance is that you connect just by specifying the server name (eg, MYSERVER), whereas a named instance will require an instance name as well (eg, MYSERVER\SQL2005). If you're only going to install one version of SQL Server on this machine, go with a default.
In Active Directory, instances of default objects that you create have a default mandatory naming attribute. For example, part of the definition of the class User is the attribute cn (Common-Name) as the naming attribute. For this reason, the relative distinguished name for user JSmith is expressed as cn=JSmith.