Explanation:
CRT stands for Cathode Ray Tube. It is a vacuum tube containing one or more electron guns, the phosphorescent screens of which are used to display images.
Explanation:
VDU stands for Visual Display Unit. It is a generic, classical computing classification descriptor applied to any human-facing peripheral device that presents system text and images visually.
Explanation:
ICR stands for Intelligent Character Recognition. It is an advanced version of OCR that allows fonts and different styles of handwriting to be learned by a computer during processing.
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