Question

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9. Which of the following devices do not produce
a hard copy?
a) impact printers
b) plotters
c) CRT terminals
d) non-impact printers
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Answer 1

Answer:

d. non impact printers

Answer 2

C) CRT terminals devices do not produce a hard copy.

About CRT terminals :

• In a computer monitor or television, a CRT serves as the display screen. Phosphors, which emit light when hit by electrons, are coated on the viewing end of the tube. CRT was formerly a common word for a computer display terminal.

• Televisions and computer displays are used to utilize CRT technology. Three electron cannons correlate to three types of phosphors in color CRTs, one for each main color. Black and white televisions and ancient computer terminals are examples of monochromatic CRTs.