Scanner and printer

1. SCANNER AND PRINTER

2.

Scanner
- is an input
device that is analyzing an
object (usually an image,
text) to create a digital
copy of the image of the
object.

3.

Printer
- is an external
computer peripheral
device designed to display
text or graphics
information stored in the
computer hard physical
medium, usually paper

4. matrix printer consists of: · The ribbon cartridge, · System of the print head, · Supply system and drawing paper, · A

microprocessor control system,
· Mechanical and optical sensors,
· Secondary power source.

5. The scanner comprises: light beam photodetector engine matrix