The Full Form of VDT is Video display terminal.
a computer terminal consisting of a screen on which data or graphics can be displayed. Abbreviation: VDT
Some systems have a video display terminal (VDT), consisting of a keyboard and a CRT viewing screen, that enables the operator to see and correct the words as they are being typed. If a system has a line printer, it can produce printouts of “hard copy.”
VDT
means
Video display terminal
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