Negative acknowledgement, or not acknowledged (ASCII character 21). The opposite of the ACK signal. It indicates a message was not received correctly, or that the terminal is not ready to send.
negative acknowledgement
(NAK) ASCII character 21. The opposite of the ACK signal. It indicates a message was not received correctly, or that the terminal is not ready to send.
NameD
Name Daemon. A UNIX process that converts hostnames to Internet addresses for TCP/IP.
name daemon
NameD or named. A UNIX process that converts hostnames to Internet addresses for TCP/IP.
nano-
One billionth or 10^-9.
nanometer
One billionth of a meter. The wavelengths of light are measured in nanometers.
nanosecond
(ns). One billionth of a second (10^-9). The speed at which a computer performs logical operations is measured in nanoseconds.
ns
Nanosecond. One billionth of a second (10^-9). The speed at which a computer performs logical operations is measured in nanoseconds.
nanotechnology
A hypothetical technology of the future in which objects can be designed and built on the atomic or molecular level.
NASTRAN
NASA Stress Analysis. Software that is used to solve large stress analysis problems.