Answer:
Generation in computer terminology is a change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies. Nowadays, generation includes both hardware and software, which together make up an entire computer system.
Explanation:
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CRT stands for <u>"Cathode Ray Tube".</u>
CRT are the many tiny green, blue, and red beams that shine to create an image on the computer screen.