A value in a field or variable that indicates nothing was ever derived and stored in it. For example, in a decimal-based amount field, a null value might be all binary 0s (null characters), but not a ...
An earlier RS-232 cable used to connect two computers in close proximity for file transfer. In style before the USB interface came out, a null modem cable attached to the serial ports of both machines ...
Null Hypothesis: The null hypothesis is a foundational concept in statistical hypothesis testing. It represents the assumption of no effect, no difference, or no relationship between variables. It ...