Printer and scanner презентация

What is Printer ?
A printer is an external output device that takes data from a computer and generates output in the form of graphics / text on a paper

Types of printers :
1.Impact printers
Dot-Matrix Printers
Daisy-wheel printers
Line printers
Drum printer
Chain printers
Band printers
2.Non-impact printers
Ink-jet printers
Laser printers

Modern Printer
Advantages of Laser Printer :
The main advantage of Laser printer is its speed & efficiency at which it prints high-quality quality graphics & text.
Laser printers produce high-quality output as compared to other printers.
Laser printers are quite and does not produce disturbing sounds.
They are also capable to produce color prints.

What is Scanner ?
Scanners come in hand-held, feed-in, and flatbed types and for scanning black-and-white only, or color.
A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display.

Flatbed Scanner
Sheet fed Scanner
Handheld Scanner
Drum Scanner
Photo Scanner
Film Scanner
Portable Scanners
Types of Scanners: