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made by Christian Greco
Scanner
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Transcript

made by Christian Greco

Scanner

Scanner is a hardware input device.

What Is?

PMT
CCD
Use an Optical Sensor

Operation

An image scanner can connect to a computer using different interfaces

How is scanner connected?

Pen Scanner
Handheld Scanner
Drum Scanner
Card Scanner
There are also other types of scanner that can be used with a computer

other types

Russell Kirsch
National Bureau of Standard

the first scanner?

A computer scanner is a digitizer, a type of input device

why is a scanner an input device?

THE END

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