16. ответьте на вопросы, используя информацию текста. 1. what are the three types of printers? 2. what is a letter-quality printer? 3. what is a dot-matrix printer? 4. what type of printer is the most common with microcomputer systems? 5. what is the most common printer type used on large computer systems? 6. what is an impact printer? give an example. 7. what is a nonimpact printer? give examples. 8. what are the most widely used printers? 9. how do you distinguish between a letter-quality printer and a dot-matrix printer? 10. which of these printers is slower? 11. what types of character printers do you know? 12. how are printed characters formed by means of an ink-jet printer? 13. what are the main types of a line printer? which of them is faster? 14. what techniques are used in the operation of page printers?

1) there are three types of printers, such as character printers, line printers and page printers. 2)a letter- quality printer is a character printer which produces output of typewriter quality. 3) a dot-matrix printer, is is a printer, that forms each character as a pattern of dots. 4) character printers 5) line printer 6)impact printers are electromechanical machines used for high- volume paper output on most computer systems. their printing speeds are such that to an observer they appear to be printing a line at a time. 7) a non impact printer is a page printer, their printing rates are so high that output appears to emerge from the printer a page at a time. 8) line and character printers 9) a dot matrix printer forms every character out of dots, but a letter quality has a typewriter quality 10) letter quality 11) - 12) - 13) drum printers and chain printers. 14) they use electrophotographic techniques.

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