PC— personal computer.
PEFT— peripheral equipment functional test.
PIO— peripheral I/O.
PIXEL— picture element.
PMS— planned maintenance system.
POFA— programmed operational functional
appraisal.
PPI— plan position indicator.
PPU— projection plotting unit.
PROM— programmable read-only memory.
RAC— radar azimuth converter.
RAM— random access memory.
RDDS— radar data distribution switchboard.
RGB— red, blue, green.
ROM BIOS— ready-only memory basic input
output system.
ROM— read-only memory.
SAC— sonar azimuth converter.
SCG— sensor converter group.
SDDS— sensor data distribution switchboard.
SG— symbol generator.
SRAC— synchro radar azimuth converter.
SVGA— super video graphics array.
TDM— tactical DITEG module.
TDS— tactical data system.
TFT— thin film transistor.
TMG— test message generator.
TSLO— third salvo lock out.
TTL— transistor-transistor logic.
TVC— television converter group.
TVSC— television scan converter.
V/C word— velocity/category word.
VDT— video display terminal.
VFK panel— variable function key panel.
VGA— video graphics array.
VSS— video signals simulator.
XGA— extended graphics array.
AI-2
