1. 1  any of several threadlike bodies, consisting of chromatin, that carry the genes in a linear order: the human species has 23 pairs, designated 1 to 22 in order of decreasing size and X and Y for the female and male sex chromosomes respectively.
data source name (DSN) A data source name (DSN) is a data structure that contains the information about a specific database that an Open Database Connectivity ( ODBC ) driver needs in order to connect to it.
First, a quick review of what DNS is. DNS is an acronym for the Domain Name System. As you probably already know, every device on a network is identified by an IP (Internet Protocol) address. However, you and I rarely know or care what the IP addresses are; we use names instead, like âaskleo.comâ.DNS is what maps from names to IP addresses.NS is an acronym for the Domain Name System. As you probably already know, every device on a network is identified by an IP (Internet Protocol) address. However, you and I rarely know or care what the IP addresses are; we use names instead, like âaskleo.comâ.