Презентация на тему Printer and scanner

makes a persistent human-readable representation of graphics or text

on paper or similar physical media

are usually shared by many users on a network

and can print at speeds of 45 to around 100 ppm. The Xerox 9700 could achieve 120 ppm.

important for historical reasons, or for special purpose uses:Digital

minilab (photographic paper)Electrolytic printersSpark printerBarcode printer multiple technologies, including: thermal printing, inkjet printing, and laser printing barcodesBillboard / sign paint spray printersLaser etching (product packaging) industrial printersMicrosphere (special paper

allows a user to take an image and/or text

printed on paper and convert it into a digital file, allowing the computer to read and/or display the scanned object. A scanner is commonly connected to a computer USB, Firewire, Parallel or SCSI port.

board on which you lay books, magazines, and other

documents that you want to scan. It looks like a photocopy machine. They are also called desktop scanners, They are the most versatile and commonly used scanners.