4. 2/4 Input-Barcode scanners
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4 Terms
1
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Pen type scanners
-used by slowly dragging them across the barcode
-small
-light weight
-durable
-immune to dust and dirt
-simple design
-used in portable laptops
2
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Laser scanners
used by moving the item barcode through the laser beam
-cheap
-reliable
-used in supermarket scanners
3
New cards
Camera based scanners
can read a barcode:
-on any surface
-printed
-printed badly
-damaged
used in:
-age verification by scanning identification (ID)
-couponing by scanning a 2D barcode coupon
-display movies
-ticketing by scanning a digital ticket
-play music when scanned
-display information about a product
4
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Types of scanners
-Pen type readers
-Laser scanner
-Camera based readers
Note 
Flashcards (33)