|
Term
|
Description
|
|
Nanosecond
|
One-billionth
of a second. |
|
Network
|
A
group of computers connected together capable of sharing files
and resources such as a modems, printers or hard drives. |
|
Network
Adapter
|
See
NIC. |
|
Network
Administrator
|
A
person responsible for the maintenance and operation of a computer
network. |
|
Newsgroup
|
A
virtual area or chat room on the Internet for the discussion of
a specific topic. There is usually a moderator that can screen
out any non-related or improper messages. |
|
NIC
|
Network
Interface Card. An expansion card that fits into a computer and
connects via the network cable to the NICs installed in other
computers on the network. It works with the network operating
system to send and receive information over the network. |
|
Node
|
In
networking and communications, a node is any computer or device
attached to the network. |
|
Noise
|
Interference
on a communications channel often caused by nearby electrical
equipment, power lines, or poor connections. |
|
Non-interlaced
|
A
method of refreshing the image on a monitor. A Non-interlaced
monitor refreshes the entire image (each scan line) in one pass.
An interlaced monitor refreshes the odd-numbered scan lines first,
then refreshes the even-numbered scan lines on the second pass,
which can cause flicker and eye strain. |
|
Nonconductor
|
Any
material that transmits or conducts electrical current very poorly. |
|
Numeric
Keypad
|
A
set of keys to the right of the main part of the keyboard, used
for numeric data entry. |
|
NUMLOCK
Key
|
A
key on the keyboard that, when pressed, toggles on the ability
of the keypad part of the keyboard to input numbers and numerical
functions. When pressed again, the keys on the keypad perform
cursor movement functions. |
