Scanners - Worksheet 1

DIRECTIONS: Answer the following questions.

1.  List 3 different interfaces scanners use to connect to a PC.

Interface

 

 

 

2.  What is the difference between optical resolution and interpolated resolution?  Which is the one you should care about when purchasing a scanner?

 

3.  What does OCR stand for?  What does OCR do?

 

4.  List 8 different scanner manufacturers.  Fill out the table below

Manufacturer

Model

 bits of
color depth		 optical
resolution		 interpolated
resolution

 

    

dpi   

dpi   

 

    

dpi   

dpi   

 

    

dpi   

dpi   

 

    

dpi   

dpi   

 

    

dpi   

dpi   

 

    

dpi   

dpi   

 

    

dpi   

dpi   

 

    

dpi   

dpi