Adaptive Coding | and

AND
abbr. auto.	and circuit
abbr. avia.	army/navy drawing
abbr. IT	Logical AND; any day now
abbr. med.	Allow Natural Death
abbr. mil.	alphanumeric display
abbr. oil	Advanced Digital Network; alphanumerical display; Andorra

| Modulation

modulation
IT	The process of converting a digital computer signal into an analog telecommunications signal