Printer. Dot Matrix, Inkjet or Laser ?
Printers and Monitors are two of the most common output devices used with the computer.
A monitor provides a soft copy of our results, where as the printer is used to get a Hard copy of our results.
Following are Types of printer. Each with their benfits & drawbacks.
DOT MATRIX PRINTER :
Dot matrix printers are bit image type of printers. These printers form charachters and images by placing pattern of dots on the paper by stricking inked with a number of small pins.
Advantages :
Dot Matrix printer are inexpencive.
Small in size.
Light Weight.
Versatile.That is, it can produce graph, charts & even pictures.
Ribbon cartridges can be re-ink or refilled at very cheap price.
Disadvantages :
These are light duty printers. Cannot be used continuously for more than one hour.
Quality is not so good.
Generates Noise.
Requires more servicing.
Inkjet Printer :
Inkjet printers are bit image, produce character shape and images by spray ink from tiny nozzles into the paper.
Advantages :
Silent in operation.
High quality output.
Support color printing.
High Speed
Disadvantages :
Cost is high as copared to Dot-Matrix.
It requires periodic maintenance.
Ink cartridge are costly than ribbon.
Requires special quality paper of best quality
Laser Printer :
Laser printers are becoming very popular as high end printer because of its exceptionally clear and sharp images.
Advantages :
High quality printing.
Speed is High
Silent in operation.
Supports text and graphics
Disadvantages :
Cost is more.
Coatof toner is high.
Expart person requires for maintenance.
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