Computer Glossary N
NIC network interface card. A PCI or ISA adapter card installed
in a PC in order to allow it to connect to a network. Some
motherboards have an integrated network chip.
Nit Unit of visible-light intensity, commonly used to specify the
brightness of a CRT (cathode ray tube) or LCD (liquid crystal
display) monitor. One nit is equivalent to one candela per
square metre. The candela, formerly called candlepower, is
approximately the amount of light emitted by a common wax
candle. The nit is a comparatively small unit of brightness –
for example, a typical flat-panel has an output between 200
and 300 nit.
NOS network operating system. Software designed to run on
a server that controls access from client PCs to services such
as email or printer sharing. Windows NT Server and Novell
NetWare are the two most common NOSs.
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