Sunday, February 8, 2015

On the basis of printing method:


On the basis of printing method:
i)                    Character printer:
character printer prints only one character at a time. It is very much slower printer used to print low volume of output. It prints 100 to 300 characters per second. Example Dot Matrix, Daisy wheel etc.
ii)                   Line Printer: Line printer prints only one line at a time. It is faster than character printer and sued to produce large volume of output. It produces 200 to 2000 lines per minute. E.g. chain Printers, Band printer, Drum Printer etc.
iii)                 Page Printer: the printer which prints entire page at a time is called page printer. It is faster than line printer and produces high quality outputs. It can print 8 to 10 page per minute. E.g. Laser printer, ink jet printer thermal printer etc.



·         DIFFERENCE BETWEEN IMPACT AND NONIMPACT PRINTER.

Impact Printer
Non-Impact Printer
1)      Impact printer uses head and pins to print information.

Non impact uses thermal chemical and techniques.
2)      Impact printer is nosier.
They are not nosier.
3)      Impact printer produces multiple copies
They produce single copy.
4)      Impact Printer is cheaper.

Nonimpact printer is expensive.
5)      They are slower.
They are faster.
6)      It produces lower quality output.
It produces high quality output.
7)      It is mostly used in small organization.
It is used in large organization.
8)      Example: Dot Matrix, Line printer, Daisy wheel etc.
E.g. laser printer, thermal printer , ink jet printer etc.

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